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Fudgy Cosmic Brownie Cookies (TikTok Viral!)

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Indulge in the ultimate dessert with these Fudgy Cosmic Brownie Cookies, inspired by Little Debbie’s iconic treats. These soft, chewy cookies are enriched with rich dark cocoa and topped with a luscious chocolate ganache and colorful rainbow sprinkles. Perfectly fudgy when chilled, these cookies will satisfy your sweet cravings and impress friends and family alike. Easy to make and utterly delicious, they are a must-try for any cookie lover!

Ingredients

Scale
  • ½ cup unsalted butter (softened)
  • ½ cup light brown sugar
  • ¼ cup granulated sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 2 tablespoons light corn syrup
  • ¼ teaspoon baking soda
  • ¼ teaspoon salt
  • ½ cup dark cocoa powder
  • 1 ¼ cups all-purpose flour
  • ¾ cup semi-sweet chocolate chips
  • ¼ cup heavy cream
  • rainbow chip sprinkles

Instructions

  1. Preheat oven to 350°F.
  2. In a bowl, beat softened butter, brown sugar, and granulated sugar until fluffy (about 2 minutes).
  3. Add egg, vanilla extract, and corn syrup; mix until combined.
  4. Stir in baking soda and salt until just incorporated.
  5. Gradually mix in dark cocoa powder and all-purpose flour until combined.
  6. Scoop dough into ¼ cup portions, roll into balls, and flatten slightly to form discs.
  7. Bake for 11-12 minutes, taking care not to overbake. Let cool completely.
  8. For Chocolate Ganache: Place chocolate chips in a medium bowl. Heat heavy cream until bubbling (30-45 seconds in the microwave).
  9. Pour heated cream over chocolate chips; let sit for 3 minutes before stirring until smooth.
  10. To Decorate: Spoon ganache onto each cookie, then sprinkle with rainbow chips.
  11. Chill cookies for at least 30 minutes to set ganache.

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