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A stack of marbled brownie cookie swirls with golden edges and rich chocolate centers on a wire rack.
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Brownie Cookie Swirls

Prep Time25 minutes
Cook Time12 minutes
Total Time37 minutes
Servings: 24 servings
Calories: 180kcal

Ingredients

  • 1/2 cup unsalted butter, softened
  • 1/2 cup light brown sugar, packed
  • 1/4 cup granulated sugar
  • 1 large eg g
  • 1 teaspoon vanilla extract
  • 1 1/2 cups all -purpose flour
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon sal t
  • 1/2 cup semi -sweet chocolate chips
  • 1/2 cup unsalted butter, melted
  • 1 cup granulated sugar
  • 1 large eg g
  • 1 teaspoon vanilla extract
  • 1/3 cup unsweetened cocoa powder
  • 1/2 cup all -purpose flour
  • 1/4 teaspoon sal t

Instructions

  • Preheat oven to 350°F (175°C) and line two large baking sheets with parchment paper.
  • In a medium bowl, cream together the softened butter, brown sugar, and 1/4 cup granulated sugar until light and fluffy.
  • Beat in one egg and 1 teaspoon vanilla extract for the cookie dough.
  • Stir in 1 1/2 cups flour, baking soda, and 1/2 teaspoon salt until combined, then fold in chocolate chips; set cookie dough aside.
  • In a separate bowl, whisk together the melted butter and 1 cup granulated sugar for the brownie batter.
  • Whisk in the remaining egg and 1 teaspoon vanilla extract.
  • Sift in the cocoa powder, 1/2 cup flour, and 1/4 teaspoon salt, stirring until just combined.
  • Scoop one tablespoon of cookie dough and one tablespoon of brownie batter, gently swirling them together by hand to create a marbled effect.
  • Place the swirled dough balls onto the prepared baking sheets, spaced 2 inches apart.
  • Bake for 10 to 12 minutes until the edges are set but the centers remain slightly soft.
  • Allow cookies to cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.