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Loaded Peanut Butter Brownie Cookie Dough Bars

peanut butter brownie cookie dough bars - featured image

These no-bake bars feature a fudgy brownie base, a thick layer of edible chocolate chip cookie dough, and a creamy peanut butter layer, all topped with candies and chocolate. Perfect for chocolate and peanut butter lovers, they’re easy to make and ideal for parties or late-night treats.

Ingredients

Scale
  • 1 box brownie mix (about 18 oz)
  • 1/3 cup unsalted butter, melted
  • 23 tablespoons milk
  • 3/4 cup creamy peanut butter
  • 2 tablespoons unsalted butter, softened
  • 1/2 cup powdered sugar
  • 1/2 teaspoon vanilla extract
  • Pinch of salt
  • 1/2 cup unsalted butter, softened
  • 2/3 cup brown sugar, packed
  • 1/4 cup granulated sugar
  • 2 tablespoons milk
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour (heat-treated)
  • 1/2 teaspoon salt
  • 1 cup mini chocolate chips
  • 1/2 cup chopped peanut butter cups or mini peanut butter candies
  • 1/3 cup extra chocolate chips
  • 1/4 cup chopped roasted peanuts (optional)
  • Drizzle of melted chocolate or peanut butter (optional)

Instructions

  1. Line an 8×8-inch baking pan with parchment paper.
  2. In a medium bowl, combine brownie mix and melted butter. Stir until thick and crumbly.
  3. Add milk, a tablespoon at a time, until the mixture is spreadable but thick.
  4. Press brownie mixture evenly into the prepared pan. Smooth the surface.
  5. Chill in the fridge for 10 minutes.
  6. In a clean bowl, beat peanut butter and softened butter until smooth and fluffy.
  7. Add powdered sugar, vanilla extract, and a pinch of salt. Beat until creamy and thick.
  8. Spread peanut butter mixture over the chilled brownie base. Chill again.
  9. Heat-treat flour for the cookie dough: spread flour on a baking sheet and bake at 350°F for 5 minutes. Cool completely.
  10. In a mixing bowl, cream softened butter, brown sugar, and granulated sugar until light and fluffy.
  11. Mix in milk and vanilla extract until smooth.
  12. Add cooled, heat-treated flour and salt. Mix until just combined.
  13. Fold in mini chocolate chips.
  14. Gently spread cookie dough over the peanut butter layer.
  15. Scatter chopped peanut butter cups, extra chocolate chips, and peanuts over the top. Press gently.
  16. Drizzle with melted chocolate or peanut butter if desired.
  17. Cover and chill for at least 2 hours, or until firm.
  18. Remove from pan using parchment paper. Slice with a sharp knife, wiping between cuts.
  19. Serve chilled or at room temperature.

Notes

Chill each layer thoroughly for clean slices. Always heat-treat flour for safe edible cookie dough. Customize toppings with your favorite candies or nuts. For gluten-free or vegan adaptations, substitute appropriate mixes and butters.

Nutrition

Keywords: no bake, peanut butter, brownie, cookie dough, dessert bars, chocolate, easy dessert, party treat, kid friendly, layered bars