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Peanut Butter Brownie Swirl Cookies

These Peanut Butter Brownie Swirl Cookies combine soft, chewy peanut butter cookies with rich fudgy brownie batter in a beautiful marbled swirl. One of the best unique cookie recipes for chocolate and peanut butter lovers, this easy dessert is perfect as a snack or sweet treat any time.
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Prep Time 15 minutes
Cook Time 12 minutes
Total Time 27 minutes
Servings: 14 cookies
Ingredients Method Notes

Ingredients
  

  • Peanut Butter Dough
  • 1/2 cup unsalted butter softened
  • 1/2 cup creamy peanut butter
  • 1/2 cup brown sugar
  • 1/4 cup granulated sugar
  • 1 egg
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon salt
  • Brownie Swirl
  • 1/4 cup unsalted butter melted
  • 1/3 cup granulated sugar
  • 1/4 cup cocoa powder
  • 1 egg yolk
  • 1/3 cup all-purpose flour

Method
 

  1. Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper.
  2. Cream butter, peanut butter, brown sugar, and granulated sugar. Add egg and vanilla. Mix in flour, baking soda, and salt.
  3. In another bowl, whisk melted butter, sugar, cocoa powder, egg yolk, and flour until smooth.
  4. Scoop a tablespoon of peanut butter dough and a teaspoon of brownie batter onto the baking sheet. Swirl gently with a toothpick.
  5. Bake for 10–12 minutes until edges are set and centers are soft.
  6. Cool on the tray for 5 minutes before transferring to a rack.

Notes

Do not over-swirl the dough to keep the marbled look.
Slightly underbake for soft peanut butter cookies.
Store in an airtight container for up to 4 days.
Freeze dough balls for later baking.