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A white plate holding several chocolate cookies topped with a layer of peanut butter and chocolate frosting.

Crumbl Copycat Buckeye Brownie Cookies

Chef Jenn
These Crumbl Copycat Buckeye Brownie Cookies combine a rich brownie cookie base, a whipped peanut butter layer, and silky ganache for a bakery-style treat you can whip up at home.
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Prep Time 20 minutes
Bake Time 12 minutes
Total Time 32 minutes
Course Dessert
Cuisine American
Servings 24 servings
Calories 503 kcal

Equipment

Ingredients
  

For the Brownie Cookie Base:

  • 1 cup unsalted butter melted
  • 1 cup light brown sugar
  • ½ cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 ¾ cups all-purpose flour
  • 1 cup cocoa powder Dutch-processed
  • 1 teaspoon baking soda
  • 1 teaspoon salt omit if using salted butter
  • 2 cups semi-sweet chocolate chips

For the Peanut Butter Filling:

  • ½ cup unsalted butter room-temperature
  • 1 cup creamy peanut butter natural preferred, without added oils
  • 2 cups powdered sugar
  • 1 teaspoon vanilla extract

For the Chocolate Ganache:

  • 2 cups semi-sweet chocolate chips
  • ¾ cup heavy cream room temperature

Instructions
 

  • Preheat the oven to 350°F and line baking sheets with parchment.
  • Combine melted butter, sugars, vanilla, and eggs until smooth.
  • Whisk dry ingredients separately and blend into the wet mix. Stir in chocolate chips.
  • Scoop dough, space 2 inches apart, and bake for 11–12 minutes. Cool completely.
  • For the filling, beat together butter, peanut butter, vanilla, and powdered sugar.
  • Make ganache by microwaving chocolate chips with cream in 30-second bursts until glossy.
  • Assemble by spreading peanut butter mixture on each cookie, then topping with ganache. Let sit before serving.

Notes

Chef Jenn’s Tips

  • Swap in crunchy peanut butter for extra texture.
  • A pinch of flaky sea salt over the ganache gives a beautiful, elevated finish.
  • Refrigerate cookies for 20 minutes before adding the ganache if you want a more stable peanut butter layer.

Nutrition

Serving: 1cookieCalories: 503kcalCarbohydrates: 51gProtein: 7gFat: 32gSaturated Fat: 17gPolyunsaturated Fat: 2gMonounsaturated Fat: 10gTrans Fat: 0.5gCholesterol: 56mgSodium: 205mgPotassium: 324mgFiber: 4gSugar: 35gVitamin A: 501IUVitamin C: 0.04mgCalcium: 48mgIron: 3mg

A Note on Nutritional Information

Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed.

Keyword Buckeye brownie cookies, chocolate peanut butter cookies, Crumbl-style desserts
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