Cosmic Brownies Copycat
Ultra-fudgy Cosmic Brownies Copycat made with cocoa powder, butter, eggs, and a rich chocolate frosting, finished with colorful candy chips for a nostalgic, bakery-style treat.
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Servings: 16 brownies
Ingredients
For the Brownies
- 10 Tbsp 142 g unsalted butter
- 1 c 200 g granulated sugar
- ⅓ c 67 g packed light brown sugar
- ¾ c plus 2 Tbsp 88 g unsweetened cocoa powder sifted
- ½ tsp vanilla extract
- 2 large eggs
- 1 large egg yolk
- 1 Tbsp corn syrup
- ⅔ c 85 g all-purpose flour
- 1 Tbsp cornstarch
- ¼ tsp fine sea salt
For the Frosting
- ½ c heavy cream
- 1½ c 255 g semisweet chocolate chips
- Rainbow candy-coated chocolate chips mini M&M’s, or sprinkles, for topping
Instructions
Prepare the Brownies
- Preheat the oven to 350°F (175°C). Line an 8×8-inch metal baking pan with parchment paper or foil and lightly coat with cooking spray.
- In a large microwave-safe bowl, melt the butter on high power for approximately 90 seconds.
- Stir the granulated sugar, brown sugar, and cocoa powder into the melted butter until fully combined. Allow the mixture to cool slightly if very warm.
- Add the vanilla extract, eggs, egg yolk, and corn syrup, stirring until smooth and glossy.
- Add the flour, cornstarch, and salt, stirring just until combined. Do not overmix. The batter will be thick.
- Spread the batter evenly into the prepared pan. Bake for 25 minutes, or until the top is set and the center is slightly soft.
- Allow the brownies to cool completely in the pan before frosting.
Prepare the Frosting
- Place the heavy cream in a microwave-safe bowl and heat on high for 1 minute.
- Add the chocolate chips to the hot cream and allow the mixture to stand for 3 minutes.
- Stir until smooth and fully combined.
- Pour the frosting over the cooled brownies and spread evenly.
- Sprinkle with candy-coated chocolate chips or desired topping.
- Refrigerate for 1 to 2 hours, or until the frosting is fully set, before slicing.
Notes
To make this Cosmic Brownies Copycat gluten-free, substitute the all-purpose flour with a 1:1 gluten-free baking flour blend that contains xanthan gum. Ensure the cornstarch, cocoa powder, chocolate chips, and candy toppings are certified gluten-free. Baking time may vary slightly.