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Crumbl Snickers Peanut Butter Cookies

These Crumbl Copycat Snickers Peanut Butter Cookies are irresistibly soft and chewy, packed with chunks of Snickers bars and topped with a rich swirl of caramel buttercream. With a sweet-and-salty combo and a gooey candy crunch, they’re the perfect indulgent dessert for parties, gifts, or a decadent treat anytime.
Prep Time20 minutes
Cook Time12 minutes
Total Time32 minutes
Course: Dessert
Cuisine: American
Keyword: caramel frosting, crumbl copycat, peanut butter cookies, snickers cookies, stuffed cookies
Servings: 16 cookies
Calories: 392kcal

Ingredients

For the Cookies:

  • 8 tablespoons 4 oz unsalted butter, room temperature
  • ½ cup packed light brown sugar 3.5 oz
  • cup granulated sugar 2.5 oz
  • ½ cup smooth peanut butter 4.5 oz
  • 1 teaspoon vanilla extract
  • 1 large egg room temperature
  • cups all-purpose flour 6.25 oz
  • ½ teaspoon baking soda
  • teaspoon salt
  • cups chopped Snickers bar pieces divided (about 13 fun size bars)

For the Caramel Buttercream:

  • 12 tablespoons 6 oz unsalted butter, room temperature
  • 2 cups powdered sugar 8 oz
  • 4 –6 tablespoons thick caramel sauce such as Mrs. Richardson’s
  • ½ teaspoon vanilla extract

Instructions

  • Preheat oven to 350°F (175°C) and line two baking sheets with parchment paper.

Make the cookie dough:

  • In a large bowl, cream together the butter, brown sugar, and granulated sugar with a hand mixer for 2–3 minutes until smooth.
  • Add the peanut butter and vanilla extract, mixing until combined.
  • Beat in the egg until just incorporated.

Add dry ingredients:

  • Sprinkle in the flour, baking soda, and salt. Fold together with a spatula until no streaks of flour remain.
  • Fold in ¾ cup of the chopped Snickers pieces.

Portion and bake:

  • Scoop the dough using a 3-tablespoon cookie scoop to make about 16 cookies.
  • Place on prepared baking sheets, spaced 2 inches apart.
  • Bake one sheet at a time for 10–12 minutes, or until tops are crackled and edges are golden. Do not overbake.
  • Let cookies cool on the baking sheet for 10 minutes, then transfer to a wire rack to cool completely.

Make the caramel buttercream:

  • In a mixing bowl, beat the butter until smooth and creamy.
  • Add powdered sugar in batches, mixing until fluffy and fully incorporated.
  • Add 4–6 tablespoons caramel sauce and the vanilla extract. Beat until smooth.
  • Adjust consistency with more caramel or powdered sugar as needed. If too thick, add 1–2 teaspoons of milk or cream.

Frost and decorate:

  • Once cookies are completely cooled, frost with caramel buttercream using a spoon or piping tip.
  • Top each cookie with the remaining chopped Snickers pieces.
  • Chill in the refrigerator until frosting is set. Store layered with wax paper between cookies.

Notes

Chop Snickers into small pieces (about 8 pieces per fun-size bar) to prevent large melted pockets in the cookies.
Store frosted cookies in the fridge for up to 4 days. Freeze for 1–2 months if needed.
For extra Snickers flavor, add more candy pieces to the dough or topping.