Indulge in the nostalgic taste of cosmic brownies with this homemade cosmic brownie recipe. These fudgy, chocolatey treats are sure to transport you back to your childhood with every bite. They are perfect for satisfying your sweet tooth cravings and are great for sharing with friends and family. Give this recipe a try and enjoy a taste of the cosmos!

Prep Time: 15 minutes | Cook Time: 25 minutes | Total Time: 40 minutes | Serves: 12


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


  1. Preheat your oven to 350°F (180°C) and line a 9×9 inch baking pan with parchment paper.
  2. In a microwave-safe bowl, melt the butter. Add the sugar, eggs, and vanilla extract, and mix until well combined.
  3. Stir in the cocoa powder, flour, salt, and baking powder until the batter is smooth.
  4. Fold in the chocolate chips and pour the batter into the prepared baking pan.
  5. Sprinkle the rainbow sprinkles on top of the batter and bake for 20-25 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs.
  6. Allow the brownies to cool completely before slicing into squares and serving.

Nutrition Information:

Calories: 250 || Protein: 3g || Carbohydrates: 35g || Fat: 12g || Fiber: 2g

What I Love About This Recipe?

  1. The fudgy texture of these cosmic brownies is irresistible.
  2. The addition of rainbow sprinkles adds a fun and colorful touch.
  3. They are easy to make and perfect for satisfying chocolate cravings.
  4. This recipe can be easily customized by adding nuts or different types of chocolate chips.
  5. These cosmic brownies make a great homemade treat for any occasion.

What To Avoid While Making this Recipe?

  1. Avoid overmixing the batter, as this can result in tough brownies.
  2. Do not overbake the brownies, as they will continue to cook as they cool in the pan.
  3. Avoid using expired ingredients, as this can affect the taste and texture of the brownies.
  4. Be careful not to overcrowd the rainbow sprinkles on top, as they may sink into the batter during baking.
  5. Do not skip lining the baking pan with parchment paper, as this will make it easier to remove the brownies after baking.

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