15 Peanut Butter Brownie Recipes

15 Peanut Butter Brownie Recipes

By Sara Taylor

15 Peanut Butter Brownie Recipes

By Sara Taylor
•
Updated
•
Recipes

There’s no doubt about the classic combination of chocolate and peanut butter, and these brownies demonstrate it 15 different ways. From no-bake brownies and fudgy crowd-pleasers, to a few sneaky better-for-you twists, there’s a brownie here for every craving. Let’s get those ovens preheated!

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1) Triple-Layer Peanut Butter Crunch Brownies

triple-layer peanut butter crunch brownies stacked on a wide white plate in a horizontal shot, a cut bar showing the dark fudge base, pale peanut butter middle, and crackly chocolate top, crumbs scattered on a marble counter, soft natural light, shallow depth of field, landscape orientation

Three layers of pure indulgence come together in this outrageous bar.

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triple-layer peanut butter crunch brownies stacked on a wide white plate in a horizontal shot, a cut bar showing the dark fudge base, pale peanut butter middle, and crackly chocolate top, crumbs scattered on a marble counter, soft natural light, shallow depth of field, landscape orientation

Triple-Layer Peanut Butter Crunch Brownies

Brownies topped with peanut butter and finished with a chocolate crunch.
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Prep Time 25 minutes
Cook Time 30 minutes
Total Time 55 minutes
Servings: 16 bars
Ingredients Method Notes

Ingredients
  

  • 1 cup butter melted
  • 2 cups sugar
  • 4 eggs
  • 3/4 cup cocoa powder
  • 1 cup flour
  • 1 cup creamy peanut butter
  • 2 cups crispy rice cereal
  • 1.5 cups chocolate chips melted

Method
 

  1. Heat oven to 350F and line a 9x13 pan with parchment.
  2. Whisk the melted butter, sugar, eggs, cocoa, and flour into a thick batter and spread in the pan.
  3. Bake 25 to 30 minutes until set, then cool completely.
  4. Spread the peanut butter over the cooled brownies.
  5. Stir the cereal into the melted chocolate and spread over the peanut butter layer.
  6. Chill 30 minutes until the top sets, then cut into bars.

Notes

Warm the peanut butter a few seconds so it spreads without tearing the brownie.

2) Dark Chocolate Peanut Butter Fudge Bars

dark chocolate peanut butter fudge bars on a wide slate board in a horizontal shot, deep brown squares with golden peanut butter swirls on top, one bar broken to show a dense fudgy interior, crumbs nearby on a moody counter, warm directional light, shallow depth of field, landscape orientation

For being a brownie, it is very fudgy, dense, and rich.

dark chocolate peanut butter fudge bars on a wide slate board in a horizontal shot, deep brown squares with golden peanut butter swirls on top, one bar broken to show a dense fudgy interior, crumbs nearby on a moody counter, warm directional light, shallow depth of field, landscape orientation

Dark Chocolate Peanut Butter Fudge Bars

Rich dark chocolate bars with swirls of peanut butter fudge.
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Prep Time 20 minutes
Cook Time 28 minutes
Total Time 48 minutes
Servings: 16 bars
Ingredients Method Notes

Ingredients
  

  • 3/4 cup butter melted
  • 1.5 cups sugar
  • 3 eggs
  • 1 cup dark cocoa powder
  • 3/4 cup flour
  • 3/4 cup peanut butter
  • 3 oz dark chocolate melted
  • 1 tsp vanilla extract

Method
 

  1. Heat oven to 350F and grease a square baking pan.
  2. Whisk butter, sugar, eggs, vanilla, dark cocoa, and flour, then fold in the melted dark chocolate.
  3. Spread the batter into the pan.
  4. Dollop the peanut butter on top and swirl it through with a knife.
  5. Bake 25 to 28 minutes until just set, then cool fully before cutting.

Notes

Underbake slightly for that gooey fudge center.

3) Peanut Butter Swirl Brownie Bites

two dozen peanut butter swirl brownie bites arranged on a wide platter in a horizontal shot, each topped with a marbled peanut butter swirl, a few stacked and a couple bitten on a bright kitchen table, airy natural light, shallow depth of field, landscape orientation

Small and perfect for sneaking a couple when no one is watching.

two dozen peanut butter swirl brownie bites arranged on a wide platter in a horizontal shot, each topped with a marbled peanut butter swirl, a few stacked and a couple bitten on a bright kitchen table, airy natural light, shallow depth of field, landscape orientation

Peanut Butter Swirl Brownie Bites

Mini brownie bites mixed with peanut butter.
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Prep Time 15 minutes
Cook Time 18 minutes
Total Time 33 minutes
Servings: 24 bites
Ingredients Method Notes

Ingredients
  

  • 1/2 cup butter melted
  • 1 cup sugar
  • 2 eggs
  • 1/2 cup cocoa powder
  • 3/4 cup flour
  • 1/2 cup peanut butter
  • 1 tsp vanilla extract

Method
 

  1. Heat oven to 350F and line a mini muffin tin with liners.
  2. Whisk butter, sugar, eggs, vanilla, cocoa, and flour into a smooth batter.
  3. Spoon the batter into the cups about three-quarters full.
  4. Add a small dab of peanut butter to each and swirl with a toothpick.
  5. Bake 15 to 18 minutes until set, then cool before removing.

Notes

A toothpick gives you the prettiest tight little swirls.

4) Gluten-Free Peanut Butter Brownie Delight

gluten-free peanut butter brownies on a wide white plate in a horizontal shot, fudgy squares with golden peanut butter swirls, one bar split to show a moist crumb, crumbs scattered on a sunny table, bright natural light, shallow depth of field, landscape orientation

Rich and fudgy without any wheat flour.

gluten-free peanut butter brownies on a wide white plate in a horizontal shot, fudgy squares with golden peanut butter swirls, one bar split to show a moist crumb, crumbs scattered on a sunny table, bright natural light, shallow depth of field, landscape orientation

Gluten-Free Peanut Butter Brownie Delight

Peanut butter brownies that are gluten free and oh so good!
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 16 bars
Ingredients Method Notes

Ingredients
  

  • 3/4 cup butter melted
  • 1.5 cups sugar
  • 3 eggs
  • 3/4 cup cocoa powder
  • 1 cup gluten-free flour blend
  • 3/4 cup peanut butter
  • 1 tsp vanilla extract
  • 1/2 tsp salt

Method
 

  1. Heat oven to 350F and line a square pan with parchment.
  2. Whisk butter, sugar, eggs, and vanilla, then stir in cocoa, gluten-free flour, and salt.
  3. Fold half the peanut butter into the batter and spread into the pan.
  4. Swirl the remaining peanut butter over the top.
  5. Bake 28 to 30 minutes until just set, then cool before slicing.

Notes

Choose a gluten-free blend with xanthan gum for the best chew.

5) Vegan Peanut Butter Brownie Bliss

vegan peanut butter brownies on a wide wooden board in a horizontal shot, rich dark squares with golden peanut butter swirls, one broken open to show a fudgy crumb, fresh peanuts scattered alongside on a rustic table, soft natural light, shallow depth of field, landscape orientation

Guaranteed to be completely fudgy and 100% plant-based.

vegan peanut butter brownies on a wide wooden board in a horizontal shot, rich dark squares with golden peanut butter swirls, one broken open to show a fudgy crumb, fresh peanuts scattered alongside on a rustic table, soft natural light, shallow depth of field, landscape orientation

Vegan Peanut Butter Brownie Bliss

Brownies that are eggless and dairy-free and are swirled with creamy peanut butter.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 16 bars
Ingredients Method Notes

Ingredients
  

  • 1 cup flour
  • 3/4 cup cocoa powder
  • 1 cup sugar
  • 1/2 cup coconut oil melted
  • 3/4 cup almond milk
  • 3/4 cup peanut butter
  • 1 tsp vanilla extract
  • 1/2 tsp baking powder

Method
 

  1. Heat oven to 350F and line a square pan with parchment.
  2. Whisk flour, cocoa, sugar, and baking powder in a bowl.
  3. Stir in the coconut oil, almond milk, and vanilla until a thick batter forms.
  4. Spread into the pan and swirl the peanut butter over the top.
  5. Bake 28 to 30 minutes until the edges set, then cool before cutting.

Notes

Use a natural peanut butter with no added dairy to keep it fully vegan.

6) Salted Caramel Peanut Butter Brownies

salted caramel peanut butter brownies on a wide dark platter in a horizontal shot, fudgy squares dripping with glossy caramel and flecked with sea salt, a caramel drizzle pooling beside them on a moody counter, warm natural light, shallow depth of field, landscape orientation

It is sweet, salty, and gooey, what isn't there to love?

salted caramel peanut butter brownies on a wide dark platter in a horizontal shot, fudgy squares dripping with glossy caramel and flecked with sea salt, a caramel drizzle pooling beside them on a moody counter, warm natural light, shallow depth of field, landscape orientation

Salted Caramel Peanut Butter Brownies

Brownies with peanut butter flavor and extra salted caramel on top!
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Prep Time 25 minutes
Cook Time 30 minutes
Total Time 55 minutes
Servings: 16 bars
Ingredients Method Notes

Ingredients
  

  • 3/4 cup butter melted
  • 1.5 cups sugar
  • 3 eggs
  • 3/4 cup cocoa powder
  • 1 cup flour
  • 3/4 cup peanut butter
  • 1/2 cup salted caramel sauce
  • 1 tsp flaky sea salt

Method
 

  1. Heat oven to 350F and line a square pan with parchment.
  2. Whisk butter, sugar, eggs, cocoa, and flour into a batter.
  3. Fold in the peanut butter and spread into the pan.
  4. Bake 28 to 30 minutes until set, then cool slightly.
  5. Drizzle with salted caramel and sprinkle with flaky salt before cutting.

Notes

Add the flaky salt right after the caramel so it sticks.

7) Nutty Peanut Butter Brownie Bars

nutty peanut butter brownie bars on a wide white plate in a horizontal shot, fudgy squares topped with chopped roasted peanuts, one bar broken to show the dense crumb, scattered peanuts on a warm wood table, natural light, shallow depth of field, landscape orientation

Added crunch in each bite for those who like different textures.

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nutty peanut butter brownie bars on a wide white plate in a horizontal shot, fudgy squares topped with chopped roasted peanuts, one bar broken to show the dense crumb, scattered peanuts on a warm wood table, natural light, shallow depth of field, landscape orientation

Nutty Peanut Butter Brownie Bars

Roasted and chopped peanuts are also mixed into the batter for these chewy peanut butter brownies.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 16 bars
Ingredients Method Notes

Ingredients
  

  • 3/4 cup butter melted
  • 1.5 cups sugar
  • 3 eggs
  • 3/4 cup cocoa powder
  • 1 cup flour
  • 3/4 cup peanut butter
  • 1 cup roasted peanuts chopped
  • 1 tsp vanilla extract

Method
 

  1. Heat oven to 350F and line a square pan with parchment.
  2. Whisk butter, sugar, eggs, vanilla, cocoa, and flour into a batter.
  3. Fold in the peanut butter and most of the chopped peanuts.
  4. Spread into the pan and scatter the remaining peanuts on top.
  5. Bake 28 to 30 minutes until set, then cool before slicing.

Notes

Toast the peanuts a few minutes first for an even deeper flavor.

8) No-Bake Peanut Butter Brownie Bites

no-bake peanut butter brownie bites piled on a wide plate in a horizontal shot, dark rolled balls studded with mini chocolate chips, a few stacked and one halved to show the chewy center, on a bright kitchen table, airy natural light, shallow depth of field, landscape orientation

These are great for hot summer days because there is no oven required!

no-bake peanut butter brownie bites piled on a wide plate in a horizontal shot, dark rolled balls studded with mini chocolate chips, a few stacked and one halved to show the chewy center, on a bright kitchen table, airy natural light, shallow depth of field, landscape orientation

No-Bake Peanut Butter Brownie Bites

Brownie bites that are chewy and made without baking. They are made from cocoa, oats and peanut butter and then rolled.
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Prep Time 15 minutes
Total Time 15 minutes
Servings: 20 bites
Ingredients Method Notes

Ingredients
  

  • 1 cup peanut butter
  • 1/2 cup honey
  • 1/4 cup cocoa powder
  • 1.5 cups rolled oats
  • 1/2 cup mini chocolate chips
  • 1 tsp vanilla extract

Method
 

  1. Stir the peanut butter, honey, and vanilla together until smooth.
  2. Mix in the cocoa powder until no streaks remain.
  3. Fold in the oats and chocolate chips.
  4. Roll the mixture into small balls with your hands.
  5. Chill at least 30 minutes until firm before serving.

Notes

If the mixture feels too soft to roll, chill it 10 minutes first.

9) Peanut Butter Cup Brownie Bombs

peanut butter cup brownie bombs on a wide platter in a horizontal shot, one split open to reveal a molten candy center oozing out, dark fudgy domes dusted with cocoa, a glass of milk beside them on a cozy table, warm natural light, shallow depth of field, landscape orientation

A full peanut butter cup is concealed within each gooey square.

peanut butter cup brownie bombs on a wide platter in a horizontal shot, one split open to reveal a molten candy center oozing out, dark fudgy domes dusted with cocoa, a glass of milk beside them on a cozy table, warm natural light, shallow depth of field, landscape orientation

Peanut Butter Cup Brownie Bombs

Brownies with a gooey peanut butter cup baked right into the middle.
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Prep Time 20 minutes
Cook Time 22 minutes
Total Time 42 minutes
Servings: 12 bombs
Ingredients Method Notes

Ingredients
  

  • 3/4 cup butter melted
  • 1.5 cups sugar
  • 3 eggs
  • 3/4 cup cocoa powder
  • 1 cup flour
  • 12 peanut butter cups
  • 1 tsp vanilla extract

Method
 

  1. Heat oven to 350F and line a muffin tin with liners.
  2. Whisk butter, sugar, eggs, vanilla, cocoa, and flour into a batter.
  3. Spoon a little batter into each cup, then press in a peanut butter cup.
  4. Cover each with more batter until the candy is hidden.
  5. Bake 18 to 22 minutes until set, then cool before unwrapping.

Notes

Serve slightly warm so the peanut butter cup center stays molten.

10) Peanut Butter Marshmallow Swirl Brownies

peanut butter marshmallow swirl brownies on a wide white plate in a horizontal shot, dark squares marbled with golden peanut butter and white toasted marshmallow ribbons, one bar pulled apart to show gooey swirls, crumbs on a soft-lit counter, natural light, shallow depth of field, landscape orienta

Marshmallows and gooeyness make it feel like you're eating a treat from a campfire.

peanut butter marshmallow swirl brownies on a wide white plate in a horizontal shot, dark squares marbled with golden peanut butter and white toasted marshmallow ribbons, one bar pulled apart to show gooey swirls, crumbs on a soft-lit counter, natural light, shallow depth of field, landscape orienta

Peanut Butter Marshmallow Swirl Brownies

Decadent brownies mixed with peanut butter and toasted marshmallow fluff.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 16 bars
Ingredients Method Notes

Ingredients
  

  • 3/4 cup butter melted
  • 1.5 cups sugar
  • 3 eggs
  • 3/4 cup cocoa powder
  • 1 cup flour
  • 1/2 cup peanut butter
  • 1 cup marshmallow fluff
  • 1 tsp vanilla extract

Method
 

  1. Heat oven to 350F and line a square pan with parchment.
  2. Whisk butter, sugar, eggs, vanilla, cocoa, and flour into a batter and spread in the pan.
  3. Dollop the peanut butter and marshmallow fluff over the top.
  4. Swirl them through the batter with a knife.
  5. Bake 28 to 30 minutes until set, then cool before cutting.

Notes

Spray your knife with a little oil so the marshmallow swirls cleanly.

11) Quick and Easy Peanut Butter Brownie Squares

simple peanut butter brownie squares on a wide cutting board in a horizontal shot, neat dark squares with golden peanut butter swirls on top, a couple stacked and one bitten on a clean bright counter, natural light, shallow depth of field, landscape orientation

One bowl, little mess, lots of reward.

simple peanut butter brownie squares on a wide cutting board in a horizontal shot, neat dark squares with golden peanut butter swirls on top, a couple stacked and one bitten on a clean bright counter, natural light, shallow depth of field, landscape orientation

Quick and Easy Peanut Butter Brownie Squares

Simple peanut butter brownies.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 16 squares
Ingredients Method Notes

Ingredients
  

  • 1/2 cup butter melted
  • 1 cup sugar
  • 2 eggs
  • 1/2 cup cocoa powder
  • 3/4 cup flour
  • 1/2 cup peanut butter
  • 1 tsp vanilla extract

Method
 

  1. Heat oven to 350F and grease a square pan.
  2. Whisk everything except the peanut butter in one bowl until smooth.
  3. Spread the batter into the pan.
  4. Drop spoonfuls of peanut butter on top and swirl quickly.
  5. Bake 22 to 25 minutes until just set, then cool and cut.

Notes

These come together in one bowl, so cleanup is barely a thing.

12) Double Chocolate Peanut Butter Magic Brownies

double chocolate peanut butter brownies on a wide dark plate in a horizontal shot, glossy squares with melty chocolate chips and golden peanut butter swirls, one bar broken to show a fudgy chip-studded crumb on a moody counter, warm natural light, shallow depth of field, landscape orientation

It’s double the magic when the chocolate chips melt directly into the chocolate batter!

double chocolate peanut butter brownies on a wide dark plate in a horizontal shot, glossy squares with melty chocolate chips and golden peanut butter swirls, one bar broken to show a fudgy chip-studded crumb on a moody counter, warm natural light, shallow depth of field, landscape orientation

Double Chocolate Peanut Butter Magic Brownies

Brownies with extra chocolate featuring chocolate chips along with a swirl of peanut butter.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 16 bars
Ingredients Method Notes

Ingredients
  

  • 3/4 cup butter melted
  • 1.5 cups sugar
  • 3 eggs
  • 3/4 cup cocoa powder
  • 1 cup flour
  • 1 cup chocolate chips
  • 3/4 cup peanut butter
  • 1 tsp vanilla extract

Method
 

  1. Heat oven to 350F and line a square pan with parchment.
  2. Whisk butter, sugar, eggs, vanilla, cocoa, and flour into a batter.
  3. Fold in most of the chocolate chips and spread into the pan.
  4. Swirl the peanut butter on top and scatter the remaining chips.
  5. Bake 28 to 30 minutes until set, then cool before slicing.

Notes

A handful of chips on top gives those bakery-style melty pools.

13) Browned Butter Peanut Butter Brownies

browned butter peanut butter brownies on a wide rustic board in a horizontal shot, deep golden-brown squares with peanut butter swirls, one bar split to reveal a dense crumb, scattered crumbs on a warm wood table, cozy natural light, shallow depth of field, landscape orientation

The brown butter you create will give the dish a nutty, deep taste that is well worth it.

browned butter peanut butter brownies on a wide rustic board in a horizontal shot, deep golden-brown squares with peanut butter swirls, one bar split to reveal a dense crumb, scattered crumbs on a warm wood table, cozy natural light, shallow depth of field, landscape orientation

Browned Butter Peanut Butter Brownies

Browned butter brownies with a swirl of creamy peanut butter.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 16 bars
Ingredients Method Notes

Ingredients
  

  • 3/4 cup butter
  • 1.5 cups brown sugar
  • 3 eggs
  • 3/4 cup cocoa powder
  • 1 cup flour
  • 3/4 cup peanut butter
  • 1 tsp vanilla extract
  • 1/2 tsp salt

Method
 

  1. Melt the butter in a saucepan and cook until it turns golden and smells nutty, then cool slightly.
  2. Heat oven to 350F and line a square pan with parchment.
  3. Whisk the browned butter with brown sugar, eggs, and vanilla, then stir in cocoa, flour, and salt.
  4. Spread into the pan and swirl the peanut butter on top.
  5. Bake 28 to 30 minutes until set, then cool before cutting.

Notes

Watch the butter closely while browning, it goes from golden to burnt fast.

14) Keto-Friendly Peanut Butter Brownie Bites

keto peanut butter brownie bites on a wide white plate in a horizontal shot, small dark fudgy rounds, one halved to show a moist crumb, a few peanuts scattered nearby on a clean bright counter, natural light, shallow depth of field, landscape orientation

There is no compromise as it is low-carb and still gloriously fudgy.

keto peanut butter brownie bites on a wide white plate in a horizontal shot, small dark fudgy rounds, one halved to show a moist crumb, a few peanuts scattered nearby on a clean bright counter, natural light, shallow depth of field, landscape orientation

Keto-Friendly Peanut Butter Brownie Bites

No sugar added, grain free peanut butter brownie bites.
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Prep Time 15 minutes
Cook Time 18 minutes
Total Time 33 minutes
Servings: 16 bites
Ingredients Method Notes

Ingredients
  

  • 1 cup almond flour
  • 1/2 cup cocoa powder
  • 1/2 cup granulated erythritol
  • 1/2 cup peanut butter
  • 2 eggs
  • 1/4 cup butter melted
  • 1 tsp vanilla extract
  • 1/2 tsp baking soda

Method
 

  1. Heat oven to 350F and line a mini muffin tin.
  2. Whisk the almond flour, cocoa, erythritol, and baking soda together.
  3. Stir in the peanut butter, eggs, melted butter, and vanilla until smooth.
  4. Spoon the batter into the cups.
  5. Bake 15 to 18 minutes until set, then cool before removing.

Notes

Use a natural peanut butter with no added sugar to keep these keto.

15) Peanut Butter and Jelly Brownie Sliders

peanut butter and jelly brownie sliders on a wide platter in a horizontal shot, round brownie sandwiches oozing peanut butter and red jam from the middle, a few stacked and one bitten on a cheerful bright table, fresh natural light, shallow depth of field, landscape orientation

A fun and nostalgic twist for the dessert tray.

peanut butter and jelly brownie sliders on a wide platter in a horizontal shot, round brownie sandwiches oozing peanut butter and red jam from the middle, a few stacked and one bitten on a cheerful bright table, fresh natural light, shallow depth of field, landscape orientation

Peanut Butter and Jelly Brownie Sliders

Brownie rounds with peanut butter and a layer of fruit jam.
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Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Servings: 12 sliders
Ingredients Method Notes

Ingredients
  

  • 3/4 cup butter melted
  • 1.5 cups sugar
  • 3 eggs
  • 3/4 cup cocoa powder
  • 1 cup flour
  • 1/2 cup peanut butter
  • 1/2 cup strawberry jam
  • 1 tsp vanilla extract

Method
 

  1. Heat oven to 350F and line a baking sheet with parchment.
  2. Whisk butter, sugar, eggs, vanilla, cocoa, and flour into a batter.
  3. Pipe or spoon the batter into small rounds and bake 12 to 15 minutes.
  4. Cool the brownie rounds completely.
  5. Spread peanut butter on half the rounds and jam on the other half, then sandwich them together.

Notes

Chill the assembled sliders briefly so they hold together when you bite in.
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