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Homemade Cosmic Brownies

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With school back in session, I started reminiscing about my favorite snacks as a kid. On the top of that list were Cosmic Brownies. As an adult those prepackaged treats just don’t taste the same anymore. Not to worry, I now have a Homemade Cosmic Brownie recipe that’s going to be a family staple in my house.

Overhead shot of sliced Homemade Cosmic Brownies.
Nikon D850 ISO 500 50mm f/3.5 1/160

Homemade Cosmic Brownies

What I love about these brownies and brownies in general, is that you can bake them and eat them all in the same day, unlike most of my cakes. When I get a sweet tooth I usually want something right away. There’s still some cooling time involved for these Homemade Cosmic Brownies, but I can tell you that they are definitely worth the wait.

How To Make Chocolate Ganache

  • Place chocolate chips in a heatproof bowl.
  • In a small saucepan, bring the heavy cream to a gentle boil, then pour it over the chocolate and let sit for 2 minutes.
  • Whisk the heavy cream and chocolate together until combined.
  • Pour the ganache over the cooled brownies, spreading it out to the edges in an even layer. Sprinkle candy coated mini chocolate chips over the top and refrigerate brownies for 2 hours.
Overhead shot of ganache Homemade Cosmic Brownies in baking pan.
Nikon D850 ISO 500 50mm f/3.5 1/160

Plan It Out

These brownies are super simple to make, but there’s a bit of cooling and chilling time involved.

  1. Once the brownies have baked, they need to sit in the pan until cool, about 2 hours, before moving on to the next step, which is adding the ganache topping.
  2. After the ganache has been added and candy coated chips have been sprinkled on, the brownies need to chill in the refrigerator for 2 more hours.
Close up shot of Homemade Cosmic Brownies stacked.
Nikon D850 ISO 400 50mm f/4.5 1/160

Baking Tools Needed

Close up of stacked Homemade Cosmic Brownies.
Nikon D850 ISO 250 40mm f/3.5 1/160

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Close up of Homemade Cosmic Brownies with a bite.
Nikon D850 ISO 250 40mm f/3.5 1/160

Suggested Recipes

Overhead shot of sliced Homemade Cosmic Brownies.

Homemade Cosmic Brownies

Yield: 9
Prep Time: 15 minutes
Cook Time: 25 minutes
Additional Time: 4 hours
Total Time: 4 hours 40 minutes

Fudgy Homemade Cosmic Brownies with rich ganache topping will spark up nostalgia.

Ingredients

SPECIAL TOOLS

  • 8”x 8” baking pan
  • Parchment paper
  • Nonstick baking spray
  • Large mixing bowl
  • Electric hand mixer

BROWNIES

  • 10 tablespoons unsalted butter, melted
  • 1 cup (200 grams/7 ounces) granulated sugar
  • 1/3 cup (67 grams/2.4 ounces) light brown sugar
  • 2 large eggs
  • 1 large egg yolk
  • 2/3 cup (85 grams/3 ounces) all-purpose flour
  • 3/4 cup unsweetened cocoa powder, sifted
  • 1/4 teaspoon salt
  • 1/2 teaspoon vanilla extract

GANACHE

  • 7 ounces semisweet chocolate, chopped
  • 1/2 cup heavy cream
  • 2 tablespoons candy coated mini chocolate chips

Instructions

BROWNIES

    1. Adjust an oven rack to the center position and heat oven to 325 degrees. Line an 8 x 8-inch baking pan with two sheets parchment paper. Being sure to leave excess paper on the sides to create handles to help pull the brownies out of the pan. Lay one sheet horizontally and the second sheet vertically. Spray the paper with nonstick baking spray and set aside.
    2. In a large mixing bowl, add the melted butter and sugars and mix with the whisk attachment of an electric hand mixer until combined and light in color, about 1 minute.
    3. Add the eggs, egg yolk and continue to mix until the mixture is pale and light.
    4. Add the flour, cocoa and salt, mixing until just combined. Mix in the vanilla extract.
    5. Spread the batter in the prepared pan and bake for 25 to 30 minutes. Remove from the oven and let brownies cool in the pan until cool, about 2 hours.

GANACHE

    1. Place chocolate chips in a heatproof bowl.
    2. In a small saucepan, bring the heavy cream to a gentle boil, then pour it over the chocolate and let sit for 2 minutes. Whisk the heavy cream and chocolate together until combined.
    3. Pour the ganache over the cooled brownies, spreading it out to the edges in an even layer. Sprinkle candy coated mini chocolate chips over the top and refrigerate brownies for 2 hours.
    4. Pull the brownies out of the pan using excess paper as handles. Use a warm knife to cut the brownies, cleaning the knife with each cut. Serve.

Notes

Store brownies in an airtight container in the refrigerator for 3 days.

Nutrition Information:
Yield: 9 Serving Size: 1
Amount Per Serving: Calories: 463Total Fat: 33gSaturated Fat: 19gTrans Fat: 0gUnsaturated Fat: 11gCholesterol: 131mgSodium: 95mgCarbohydrates: 42gFiber: 4gSugar: 26gProtein: 7g

*Nutrition information is an estimate and will vary.*

Did you make this recipe?

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Efua

Sunday 5th of February 2023

Why are some of the measurements in oz? Mostly curious.

Mary

Sunday 5th of February 2023

Weighing the ingredients is best for accuracy. Especially when making small batches of desserts like these brownies.

elizabeth

Wednesday 2nd of March 2022

Looks wonderful!

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