Little Debbie Cosmic Brownies Recipe

HOMEMADE Copycat Little Debbie Cosmic Brownies - just like you remember as a kid! Each brownie is 150 calories! This easy to make recipe includes a rich chocolate fudge frosting and rainbow sprinkles on top! Make this brownie dessert to share with your family!

Course Dessert
Servings 16
Calories 150 kcal


  • 1/2 cup butter melted
  • 1/2 cup white sugar
  • 1/2 cup brown sugar
  • 2 eggs
  • 1 teaspoon vanilla
  • 1/2 cup cocoa powder
  • 1/2 cup all purpose flour
  • 1/4 teaspoon salt
  • 1/4 teaspoon baking powder


  • 2 tablespoons butter melted
  • 3 tablespoons cocoa powder
  • 1 tablespoon honey
  • 1 teaspoon vanilla
  • 1 cup confectioners powdered sugar
  • rainbow sprinkles


  1. Preheat oven to 350 degrees.  Spray a 8x8 pan with nonstick spray.

  2. Add butter, white sugar, brown sugar, eggs and vanilla to large bowl.  Mix until sugar is dissolved.  Add cocoa powder, flour, salt and baking powder and continue to mix.

  3. Pour brownie mix into pan and place in the oven.  Bake for 28-30 minutes.  Remove from the oven and allow to cool for 10 minutes before frosting.

  4. When brownies are cooking prepare your frosting.  Mix melted butter, cocoa powder, honey and vanilla in bowl.  Add powdered sugar and continue to mix until smooth.

  5. Pour frosting on top of brownies, smoothing it out with spatula if needed.  Immediately add rainbow sprinkles on top.   Let frosting set for 10 minutes before cutting brownies into squares and serving.