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a wide horizontal pan of s'mores brownies with golden toasted marshmallows and chocolate drizzle on a graham crust, one piece pulled away, on a wooden board, warm natural light, shallow depth of field, landscape orientation

Marshmallow-Topped S'mores Brownies

Marshmallow and chocolate brownies on a graham cracker base.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 16 brownies
Ingredients Method Notes

Ingredients
  

  • 1.5 cups graham cracker crumbs
  • 5 tbsp butter melted, for the graham crust
  • 1/2 cup butter melted, for the brownie batter
  • 1 cup sugar
  • 2 eggs
  • 0.75 cup flour
  • 0.5 cup cocoa powder
  • 2 cups mini marshmallows

Method
 

  1. Press the graham crumbs mixed with the 5 tablespoons melted butter into a parchment-lined 8-inch square pan.
  2. Whisk the 1/2 cup melted butter, sugar, and eggs, then stir in the flour and cocoa.
  3. Pour the brownie batter over the graham base.
  4. Bake at 350°F for 25 minutes.
  5. Scatter the marshmallows on top and broil for 1 to 2 minutes until toasted and golden.
  6. Cool before slicing so the marshmallow sets.

Notes

Watch the broiler like a hawk; marshmallows go from golden to burnt in seconds.