Where can I find rainbow candy-coated chocolate chips?

These colorful chips are often sold as “rainbow chip crunch” or “candy-coated sprinkles.” Look in the baking aisle near the chocolate chips or online from brands like Wilton. You can also substitute mini M&Ms for a similar look and crunch.

Can I freeze a cosmic brownie cake?

Definitely. The whole cosmic brownie cake freezes well. Allow it to cool completely, leave off the ganache until later, then wrap snugly in plastic wrap and a layer of foil. Keep it frozen for as long as two months. When it's time to serve, let it defrost in the fridge overnight and top with ganache and sprinkles before slicing.

What’s the difference between fudgy and cakey brownies?

Fudgy brownies, like those in this cosmic brownie cake, contain a higher fat-to-flour ratio and minimal leavening. This creates a dense, rich bite. Cakey brownies have more flour and use baking powder or soda to rise, giving them a fluffier texture.

Can I use a different type of frosting instead of ganache?

Absolutely. A chocolate buttercream or even a whipped chocolate frosting works well. Just keep in mind the glossy look and smooth finish of ganache is part of what makes a cosmic brownie cake iconic.

Do I need a water bath for baking this cake?

No water bath is needed. The cosmic brownie cake bakes directly in a springform pan. Make sure the pan is greased thoroughly and let the cake cool inside it for smooth edges and easy removal.

Can I use a different pan size?

If you don’t have a 10-inch springform pan, try a 9x9-inch square pan. The cake may be slightly thicker, so add a few minutes to the bake time and keep an eye on it for doneness.

Cosmic Brownie Cake Recipe – Fudgy, Easy & Totally Nostalgic

Name: Cosmic Brownie Cake: Fudgy, Glossy & Just Like You Remember
Prep time: 10 min
Cook time: 50 min
Total time: 1 h
Cuisine: American
Ingredients: 2 cups semisweet chocolate chips; 1 stick (8 Tbsp) unsalted butter; ¾ cup packed light brown sugar; ¾ cup granulated sugar; 4 large eggs; 1 tsp pure vanilla extract; 1 cup all-purpose flour; ½ tsp kosher salt; 1 cup semisweet chocolate chips; ½ cup heavy cream; ¼ cup rainbow candy-coated chips

Cosmic Brownie Cake: Fudgy, Glossy & Just Like You Remember

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This cosmic brownie cake is a rich, fudgy tribute to your favorite lunchbox treat, topped with silky ganache and vibrant rainbow candy-coated chips. It’s a nostalgic dessert made for modern cravings—easy to prepare, fun to serve, and impossible to forget.

Author: Patricia
Prep Time: 10 minutes
Cook Time: 50 minutes
Total Time: 1 hour
Yield: 12 slices 1x
Category: Dessert
Method: Baking
Cuisine: American
Diet: Vegetarian

Ingredients

Scale

For the Brownie Cake:

2 cups semisweet chocolate chips

1 stick (8 Tbsp) unsalted butter

¾ cup packed light brown sugar

¾ cup granulated sugar

4 large eggs

1 tsp pure vanilla extract

1 cup all-purpose flour

½ tsp kosher salt

For the Ganache & Topping:

1 cup semisweet chocolate chips

½ cup heavy cream

¼ cup rainbow candy-coated chips

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Instructions

1. Preheat your oven to 350°F and grease a 10-inch springform pan with nonstick spray.

2. In a medium saucepan, melt the chocolate chips with the butter over low heat, stirring until smooth.

3. Remove from heat and whisk in both sugars until combined. Let cool slightly.

4. Add the eggs one at a time, mixing well after each addition. Stir in vanilla extract.

5. Gently mix in flour and salt until just incorporated.

6. Pour batter into prepared pan and smooth the top.

7. Bake for about 50 minutes or until a toothpick shows moist crumbs.

8. Cool completely in the pan on a wire rack.

9. Prepare ganache by melting chocolate chips and heavy cream together in a heatproof bowl over simmering water, stirring until smooth.

10. Pour ganache over the cooled cake and spread evenly.

11. Top immediately with rainbow candy-coated chips and refrigerate for 30 minutes before slicing.

Notes

Use boxed cake mix and brownie mix for a quick version.

For gluten-free, use a 1:1 gluten-free flour and certified gluten-free chocolate.

Dairy-free? Use vegan butter and coconut cream along with dairy-free chocolate chips.

Find it online: https://www.simplefamilydishes.com/cosmic-brownie-cake/