Irresistibly Fudgy Cosmic Brownies Recipe That Kids Adore
Cosmic brownies burst with childhood nostalgia, transporting you back to lunchbox memories and sweet indulgences.
These decadent squares carry a rich chocolate heritage that transcends simple dessert status.
School cafeterias and corner store displays once showcased these iconic treats, sparking joy among sugar-loving kids.
Soft, fudgy textures combine with a signature rainbow chip topping that defines their unmistakable charm.
Recreating these beloved squares at home allows you to control quality and customize every delicious detail.
Homemade versions elevate the classic treat with premium ingredients and personal flair.
Prepare to unlock a world of chocolatey memories that will delight both kids and adults alike.
Cosmic Brownies That Spark Nostalgia
Everything You Need for Homemade Cosmic Brownies
Base Ingredients:Dry Ingredients:Chocolate Topping Ingredients:How to Bake Fudgy Brownies with Colorful Sprinkles
Step 1: Prepare Baking Setup
Warm up the oven to 350°F. Line a 9″ x 9″ square pan with parchment paper, creating overhangs on both sides. Spray the pan with cooking spray to prevent sticking.
Step 2: Melt Butter
Place butter in a large microwave-safe bowl. Zap in 30-second bursts until completely melted and smooth.
Step 3: Combine Sugar and Butter
Whisk sugar into the melted butter until well blended. Transfer the mixture to a mixer bowl.
Step 4: Create Creamy Base
Beat the sugar-butter mixture on medium speed for 2-3 minutes until light and fluffy.
Step 5: Add Wet Ingredients
Introduce eggs and vanilla to the bowl. Beat for another 2-3 minutes until the mixture turns pale yellow and becomes thick.
Step 6: Mix Dry Ingredients
Add dry ingredients:Mix on low speed until just combined. Gently stir in milk until the batter is smooth.
Step 7: Prepare for Baking
Pour batter into the prepared pan, spreading evenly with a spatula.
Step 8: Bake to Perfection
Bake for 20-25 minutes. Check doneness by inserting a toothpick – it should come out clean or with minimal crumbs.
Step 9: Cool Down
Allow brownies to cool completely at room temperature.
Step 10: Create Chocolate Topping
In a medium bowl, heat heavy cream in the microwave (20-second intervals) until very hot but not boiling.
Step 11: Make Chocolate Glaze
Add chopped chocolate to hot cream. Let sit for 1 minute, then stir until smooth. Mix in butter until fully melted.
Step 12: Finish and Decorate
Pour chocolate over brownies, spreading evenly with a spatula. Sprinkle colorful decorations on top.
Step 13: Set and Serve
Chill brownies for 1-2 hours until the topping sets. Use parchment paper to lift brownies from the pan. Slice into squares and enjoy your cosmic treat!
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Fun Flavor Variations for Cosmic Brownies
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Cosmic Brownies Recipe
- Total Time: 40 minutes
- Yield: 12 1x
Description
Cosmic Brownies blast classic chocolate indulgence into another galaxy of flavor. Rich fudgy layers packed with nostalgic sprinkle magic invite you to relive childhood dessert memories with each delightful bite.
Ingredients
Main Ingredients:
- 4 ounces (113 grams) semisweet chocolate, chopped
- 4 ounces (113 grams) milk chocolate, chopped
- ½ cup (120 milliliters) heavy cream
Finishing Ingredients:
- 1 tablespoon (15 milliliters) butter, cut into 4 pieces
- ½ cup (75 grams) rainbow chip sprinkles
Instructions
- Preheat the oven to 350°F (177°C) and prepare a 9-inch × 9-inch square baking pan by lining it with parchment paper, ensuring overhang on both sides for easy removal. Lightly coat the parchment with cooking spray.
- Melt the butter in a large microwave-safe bowl using 30-second intervals until completely liquefied.
- Whisk the sugar into the melted butter until thoroughly combined and smooth.
- Transfer the butter-sugar mixture to a stand mixer and beat on medium speed for 2-3 minutes until the texture becomes light and fluffy.
- Incorporate eggs and vanilla extract into the mixture, beating for an additional 2-3 minutes until the batter turns pale yellow and achieves a thick consistency.
- Gradually add flour, cocoa powder, and salt to the mixture. Mix on low speed until ingredients are just integrated, being careful not to overmix.
- Gently stir in milk until the batter becomes uniformly smooth.
- Pour the batter into the prepared pan, using a spatula to distribute evenly across the surface.
- Bake for 20-25 minutes, checking doneness by inserting a toothpick into the center. The toothpick should come out with minimal crumbs or clean.
- Allow brownies to cool completely at room temperature.
- Heat heavy cream in a medium bowl using 20-second microwave intervals until very hot but not boiling.
- Add chopped chocolate to the hot cream, letting it sit for one minute before stirring until a smooth ganache forms.
- Incorporate butter into the chocolate mixture, stirring until completely melted and glossy.
- Pour the chocolate ganache over the cooled brownies, using a spatula to create an even layer.
- Sprinkle decorative toppings across the chocolate surface for added texture and visual appeal.
- Refrigerate the brownies for 1-2 hours until the chocolate topping sets completely.
- Using the parchment paper overhang, lift the brownies from the pan and slice into square portions.
- Serve and enjoy the rich, decadent treats.
Notes
- Achieve bakery-style cosmic brownies with this homemade recipe that rivals the classic Little Debbie treat.
- Use room temperature eggs and butter for smoother batter and more consistent brownie texture.
- Ensure accurate measurements by using a kitchen scale for precise ingredient quantities.
- Allow brownies to cool completely before adding chocolate ganache to prevent melting and ensure clean, crisp topping.
- Sprinkle rainbow chips while chocolate is still soft to help them adhere perfectly to the surface.
- Store brownies in an airtight container at room temperature for up to 5 days for maximum freshness and soft texture.
- Prep Time: 15 minutes
- Cook Time: 25 minutes
- Category: Desserts, Snacks
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 12
- Calories: 250 kcal
- Sugar: 20 g
- Sodium: 100 mg
- Fat: 15 g
- Saturated Fat: 9 g
- Unsaturated Fat: 5 g
- Trans Fat: 0.5 g
- Carbohydrates: 28 g
- Fiber: 1 g
- Protein: 3 g
- Cholesterol: 30 mg
Liam O’Brien
Founder & Recipe Developer
Expertise
Education
Dublin Institute of Technology (now Technological University Dublin)
Ballymaloe Cookery School, County Cork, Ireland
Liam O’Brien is the co-founder and kitchen soul behind Good Tasting Meals, a chef who believes that cooking shouldn’t feel stressful or complicated.
He earned his culinary stripes at Technological University Dublin and polished his farm-to-table skills at Ballymaloe Cookery School. With over 15 years flipping pans and stirring up stories, Liam has worked in family cafés, bustling bistros, and everything in between.
At Good Tasting Meals, Liam brings you recipes that feel like home: cozy, simple, and full of flavor.