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Brownie Batter Frosted Peanut Butter Bars

  • Author: The BakerMama
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Total Time: 45 minutes
  • Yield: 18

Description

Chewy peanut butter cookie bars are covered in a rich {egg-free} brownie batter frosting for a sweet and salty treat that’s beyond amazing to eat!


Ingredients

Bars:

  • 1 cup (2 sticks) unsalted butter, softened
  • 1 cup creamy peanut  butter
  • 1 cup granulated sugar
  • 1 cup light brown sugar
  • 2 large eggs
  • 1 teaspoon vanilla
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon baking powder
  • 1/2 teaspoon kosher salt

Brownie Batter Frosting:

  • 1 cup (2 sticks) unsalted butter, softened
  • 1 teaspoon vanilla
  • 3 cups powdered sugar
  • 1/2 cup all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1 teaspoon salt
  • 1/4 cup milk
  • 1 cup semi-sweet chocolate chips

Instructions

  1. Preheat oven to 350°F. Lightly grease a 9×13-inch baking dish.
  2. In the bowl of an electric mixer, beat the butter, peanut butter and both sugars until smooth. Beat in the eggs, one at a time, until well combined. Beat in the vanilla.
  3. In a separate bowl, whisk together the flour, baking soda, baking powder, and salt. Add dry ingredients to the wet ingredients, 1 cup at a time until well combined. Spread evenly into prepared pan.
  4. Bake for about 30 minutes or until golden brown on top and set in middle. If the top starts to turn dark brown before the center is set, tint the pan with foil until the bars are finished baking. Let cool completely.
  5. To make the frosting, beat together the butter and vanilla until smooth. In a large bowl, whisk together the powdered sugar, flour, cocoa and salt. Add half of the dry ingredients to the butter mixture and beat on low speed until a crumbly mixture starts to form. Add the milk and continue to beat until the mixture just starts to combine. Add the remaining dry ingredients and beat on low speed until just combined.
  6. Melt the chocolate chips for 45-60 seconds in a microwave-safe bowl. Let cool slightly before adding to the frosting and beating on low speed until mixed throughout. Turn the mixer to medium-high speed and beat until frosting is fluffy. Spread over cooled bars. Let frosting set for at least 15 minutes for cutting into bars.

 


Notes

  • Store in the refrigerator.