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Brownie mix cookie bar

1) Brownie mix cookie bars with peanut butter swirl

Prep Time 10 minutes
Total Time 10 minutes
Servings: 6 servings

Ingredients
  

  • 1 box 18–20 oz brownie mix
  • Ingredients called for on the mix box usually eggs, oil, water
  • 3/4 cup creamy peanut butter slightly warmed
  • 2 tbsp powdered sugar optional, for thicker swirl
  • 1/2 cup chocolate chips optional

Method
 

  1. Preheat oven to brownie box temperature; foil-line 9x13 pan and lightly spray.
  2. Prepare brownie batter per box; stir in optional chocolate chips.
  3. Spread batter evenly in pan. Dollop warm peanut butter on top; sprinkle powdered sugar over it.
  4. Swirl peanut butter into batter with knife to marble.
  5. Bake per box time, checking at lower end, until toothpick has a few moist crumbs.
  6. Cool completely in pan; lift with foil and cut bars.