Ingredients

  • cooking spray
  • 1 (18.4 ounce) package brownie mix
  • ¼ cup all-purpose flour
  • 1 cup chocolate chips
  • ¼ cup vegetable oil
  • 2 large eggs
  • 1 tablespoon multicolored candy sprinkles, or to taste
  • 1 ½ cups powdered sugar
  • ½ cup unsalted butter, softened
  • ½ teaspoon vanilla extract
  • ½ (16 ounce) tub marshmallow creme

Directions

  • Preheat the oven to 350 degrees F (175 degrees C). Line 2 baking sheets with parchment paper. Lightly coat a wire rack with cooking spray.
  • Stir brownie mix and flour together in a medium bowl until well combined. Add chocolate chips, oil, and eggs; stir until well blended.
  • Scoop 20 rounded tablespoons onto the prepared baking sheets. Decorate 1/2 of the cookies with candy sprinkles.
  • Bake in the preheated oven for 9 to 10 minutes. Remove from the oven and let stand for 2 to 3 minutes before removing to the sprayed rack to cool completely, about 30 minutes.
  • Meanwhile, combine powdered sugar, butter, and vanilla in the bowl of a stand mixer fitted with the paddle attachment; blend until light and fluffy, about 4 minutes. Fold in marshmallow creme.
  • Place marshmallow mixture in a large zip-top bag and cut a small hole in one corner. Pipe filling onto the center of one plain cookie and top with a sprinkled cookie. Repeat with remaining filling and cookies.

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