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Peanut Butter Cup cookie bars

Peanut Butter Cup Cookie Bars

Hollie Schultz
This recipe has turned your favorite candy into a delicious cookie bar!
5 from 6 votes
Prep Time 20 mins
Cook Time 20 mins
Total Time 40 mins
Course Dessert
Cuisine American
Servings 24 servings
Calories 265 kcal


  • 1 1/4 cups flour
  • 1/4 tsp salt
  • 1/2 tsp baking soda
  • 1/3 cup unsweetened cocoa powder
  • 1/2 cup butter softened
  • 2/3 cup brown sugar
  • 1/4 cup granulated sugar
  • 2 tsp vanilla divided
  • 1 egg
  • 1 cup peanut butter
  • 1/2 cup powdered sugar
  • 12 oz dark chocolate chips
  • 2 tsp vegetable oil
  • 1/2 cup peanuts chopped


  • Preheat your oven to 350 degrees. Line a 13x9" baking pan with parchment paper.
  • Whisk together flour, cocoa powder, salt and baking soda. Set aside.
  • Using a stand mixer, cream the butter, brown sugar and granulated sugars. Mix in 1 tsp vanilla and the 1 egg. Beat until smooth.
  • Carefully add in the dry ingredients and mix until completely combined.
  • Spread the cookie dough in the prepared baking pan. Bake for 18 minutes and no longer shiny. COOL COMPLETELY.
  • Mix peanut butter, powdered sugar and 1 tsp of vanilla until smooth. Spread over the COOLED cookie bars.
  • Place the dark chocolate chips and the vegetable oil in a bowl and heat on high in the microwave for 30 seconds at a time. Stir after each 30 seconds until smooth. Spread over the peanut butter layer in the pan. Sprinkle with chopped peanuts.
  • Let the cookie bars harden for a few hours or chill the bars in the refrigerator.
  • You can store these cookie bars in an airtight container for up to 5 days or freeze them for month.


Calories: 265kcalCarbohydrates: 27gProtein: 6gFat: 16gSaturated Fat: 8gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gTrans Fat: 1gCholesterol: 17mgSodium: 118mgPotassium: 220mgFiber: 2gSugar: 16gVitamin A: 129IUVitamin C: 1mgCalcium: 61mgIron: 1mg
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