Indulge in the nostalgic flavors of childhood with this homemade Cosmic Brownies recipe! These fudgy brownies topped with a layer of chocolate ganache and colorful sprinkles are a fun treat for all ages. Perfect for parties, bake sales, or just when you’re craving a sweet snack.

Preparation time: 20 minutes | Cooking Time: 25 minutes | Total Time: 45 minutes | Serves: 12


  • 1/2 cup unsalted butter, melted
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1/3 cup unsweetened cocoa powder
  • 1/2 cup all-purpose flour
  • 1/4 teaspoon salt
  • 1/4 teaspoon baking powder
  • 1 cup semisweet chocolate chips
  • 1/2 cup heavy cream
  • Colorful sprinkles


  1. Preheat the oven to 350°F and line a 9×9-inch baking pan with parchment paper.
  2. In a mixing bowl, whisk together the melted butter and sugar until well combined.
  3. Add the eggs and vanilla extract, and mix until smooth.
  4. Stir in the cocoa powder, flour, salt, and baking powder until just combined.
  5. Spread the batter evenly into the prepared pan and bake for 20-25 minutes.
  6. Let the brownies cool completely in the pan.
  7. For the ganache, heat the heavy cream until just simmering and pour over the chocolate chips.
  8. Stir until smooth and pour over the cooled brownies. Top with sprinkles.
  9. Chill in the fridge until the ganache sets, then slice into bars and enjoy!

Nutrition Information:

Calories: 300 || Protein: 3g || Carbohydrates: 35g || Fat: 18g || Fiber: 2g || Sugar: 25g

What I Love About This Recipe?

  1. The fudgy texture of the brownies is irresistible.
  2. The rich chocolate ganache adds a decadent touch.
  3. The colorful sprinkles make them fun and festive.
  4. They are easy to make and perfect for special occasions.
  5. They bring back childhood memories of store-bought Cosmic Brownies.

What To Avoid While Making this Recipe?

  1. Avoid over-baking the brownies to keep them fudgy.
  2. Don’t skip chilling the ganache as it helps to set before slicing.
  3. Avoid using old or stale ingredients for the best flavor.
  4. Don’t forget to line the pan with parchment paper for easy removal.
  5. Avoid cutting the brownies while the ganache is still warm to prevent a messy finish.

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