Indulge in the cosmic goodness of these homemade brownies that are sure to take you on a delicious journey through space and time. With their fudgy texture and colorful sprinkles, these cosmic brownies are a fun and tasty treat for any occasion.

Preparation time: 15 minutes | Cooking Time: 25 minutes | Total Time: 40 minutes | Serves: 12


  • 1/2 cup unsalted butter
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1/3 cup cocoa powder
  • 1/2 cup all-purpose flour
  • 1/4 teaspoon salt
  • 1/4 teaspoon baking powder
  • 1/4 cup rainbow sprinkles


  1. Preheat the oven to 350°F and line a 9×9 inch baking pan with parchment paper.
  2. In a microwave-safe bowl, melt the butter. Allow it to cool slightly.
  3. Whisk in the sugar, eggs, and vanilla extract until well combined.
  4. Sift in the cocoa powder, flour, salt, and baking powder. Mix until just combined.
  5. Spread the batter evenly into the prepared baking pan and sprinkle rainbow sprinkles on top.
  6. Bake for 20-25 minutes or until a toothpick inserted in the center comes out with a few moist crumbs.
  7. Allow the brownies to cool completely before cutting into squares.

Nutrition Information:

Calories: 210 || Total Fat: 10g || Saturated Fat: 6g || Cholesterol: 55mg || Sodium: 90mg || Carbohydrates: 28g || Fiber: 1g || Sugars: 20g || Protein: 3g

What I Love About This Recipe?

  1. The fudgy texture of these brownies is irresistible and perfect for chocolate lovers.
  2. The addition of rainbow sprinkles adds a fun and colorful twist to the classic brownie recipe.
  3. These cosmic brownies are easy to make and great for baking with kids or for a themed party.
  4. They can be customized with different toppings or mix-ins to suit your preferences.
  5. These brownies are a nostalgic and delicious treat that will take you back to your childhood.

What To Avoid While Making this Recipe?

  1. Avoid overmixing the batter as it can lead to tough brownies instead of a soft and fudgy texture.
  2. Make sure not to overbake the brownies, as they will continue to cook slightly in the pan after being removed from the oven.
  3. Do not skip lining the baking pan with parchment paper, as it will make it easier to remove the brownies and prevent sticking.
  4. Avoid adding too many sprinkles on top, as it can affect the texture of the brownies and make them overly sweet.
  5. Be careful not to burn the butter while melting it, as it can alter the flavor of the brownies.

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