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Dessert

Homemade Cosmic Brownies

These chewy, fudgy brownies topped with chocolate ganache and colorful candy bits are a nostalgic favorite everyone loves.

By Daily Recipes Book· 🌍 American· July 16, 2026
Homemade Cosmic Brownies
dailyrecipesbook.com
Prep
15 minutes
Cook
25 minutes
Total
40 minutes
Serves
9

There is something so special about these brownies that takes me right back to my school days. They are incredibly dense and fudgy, and that smooth layer of chocolate frosting on top makes them feel like a real treat. My kids go crazy for the rainbow chips, and honestly, I do too.

The trick to getting that signature brownie texture is to avoid overmixing your batter. Just stir until the flour disappears, and you will have perfectly soft brownies every single time. It is a simple recipe that feels like a big celebration.

Ingredients

  • 1/2 cup unsalted butter, melted
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1/2 cup all purpose flour
  • 1/3 cup unsweetened cocoa powder
  • 1/4 teaspoon salt
  • 1/2 cup semi sweet chocolate chips
  • 2 tablespoons heavy cream
  • 1/4 cup rainbow candy chips

Instructions

  1. 1

    Preheat your oven to 350 degrees Fahrenheit and line an 8 by 8 inch square pan with parchment paper.

  2. 2

    In a large bowl, whisk together the melted butter and sugar until smooth.

  3. 3

    Add the eggs and vanilla extract, then whisk again until fully combined.

  4. 4

    Gently stir in the flour, cocoa powder, and salt until the batter is just mixed.

  5. 5

    Spread the brownie batter into your prepared pan and bake for 20 to 25 minutes or until a toothpick comes out mostly clean.

  6. 6

    Let the brownies cool down completely in the pan.

  7. 7

    To make the topping, melt the chocolate chips with the heavy cream in the microwave in short bursts, stirring until smooth.

  8. 8

    Spread the warm ganache over the cooled brownies and sprinkle the rainbow chips on top.

  9. 9

    Allow the frosting to set before slicing into squares.

💡 Tips

Store your leftover brownies in an airtight container at room temperature to keep them soft for up to three days. For the cleanest slices, pop the pan in the fridge for thirty minutes before you cut them.

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