Brownie Cookie Whoopie Pies

Ingredients

• cooking spray
• 1 package brownie mix , 18.4 ounce
• 0.25 cups all-purpose flour
• 1 cup chocolate chips
• 0.25 cups vegetable oil
• 2 large eggs
• 1 tablespoon multicolored candy sprinkles , or to taste
• 1.5 cups powdered sugar
• 0.5 cups unsalted butter , softened
• 0.5 teaspoons vanilla extract
• 0.5 tubs marshmallow creme , 16 ounce

Instructions

1. 1

   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.

2. 2

   Stir brownie mix and flour together in a medium bowl until well combined. Add chocolate chips, oil, and eggs; stir until well blended.

3. 3

   Scoop 20 rounded tablespoons onto the prepared baking sheets. Decorate 1/2 of the cookies with candy sprinkles.

4. 4

   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.

5. 5

   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.

6. 6

   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.