Step back in time to the vibrant 90s with this incredible Cosmic Brownies Copycat Recipe. These brownies are perfectly fudgy, crowned with a rich chocolate ganache, and speckled with colorful candy-coated chocolate chips, just like the beloved treats from your childhood. Prepare for a wave of nostalgia as you bite into these homemade delights!

The 90s were a golden era for convenience foods, especially those packed into school lunchboxes or enjoyed after school. Think about the joy of finding a Gushers pouch, the cheesy satisfaction of Lunchables with their tiny red spreading stick, or the delightful crunch of a Kudos bar. For many of us, these weren’t just snacks; they were small, edible pieces of pop culture that defined our childhoods. We reveled in the bright colors, the distinct flavors, and the sheer fun they brought to our day. Whether it was an occasional Twinkie, a Swiss Roll, or a coveted Kudos bar, these treats were a highlight. But for some, the ultimate prize, the one that rarely made it into our bags, was the legendary Cosmic Brownie. Individually wrapped, each one promised a rich, chocolatey experience, a dense fudgey texture, and those iconic, colorful candies that made them truly cosmic. The anticipation of peeling back that plastic wrapper to reveal its decadent goodness was almost as sweet as the brownie itself.

Lately, a profound sense of nostalgia has been a constant companion, perhaps a natural byproduct of growing older and watching my own children navigate their youthful adventures. It sends me back to days filled with carefree fun, like the thrill of a Skipit slamming into my ankles (and the inevitable bruises!) or the imaginative play of walking an invisible dog inspired by a trip to Disneyland. Those were truly good times, brimming with simple joys and unforgettable moments.
That particular video snippet instantly transported me to my Saturday mornings, clad in pajamas, sitting in the basement with a bowl of Lucky Charms, completely engrossed in classic cartoons. It makes you wonder what happened to those animated masterpieces! Nowadays, it seems to be all teen-bop antics and peculiar narratives. I firmly believe it’s time to bring back the timeless classics. Even the enduring charm of Tom and Jerry might not capture the attention of today’s tech-savvy kids, and honestly, that’s a real shame. This powerful wave of reminiscing left me with no choice but to embark on a culinary quest: to perfectly recreate the Cosmic Brownies Copycat Recipe. This endeavor has truly ignited a spark within me, and now I’m determined to bring back all the cherished flavors of yesteryear. So, stay tuned, because once I start, there’s no stopping this journey through delicious memory lane!
The foundation of an authentic Cosmic Brownie is a seriously fudgy base. To achieve this dense, decadent texture, it’s crucial to bake them in an 8×8 inch pan. This size ensures the brownies remain thick and rich, rather than spreading too thin. The golden rule for perfect brownies is simple: do not overbake! They should emerge from the oven with a distinctive shiny top and a slightly gooey center. This requires a little self-control on your part, as it’s vital to let these beauties cool completely before even thinking about frosting or slicing. Trust me, the wait is worth it, and your patience will be rewarded with an unparalleled brownie experience. Just channel your inner Captain America; you’ve got this!
What Makes Brownies Fudgy?
Achieving that coveted fudgy texture in brownies is all about balance, specifically a higher fat-to-flour ratio. This is the secret ingredient that distinguishes a dense, chewy brownie from its lighter, cake-like counterpart. To ensure your brownies are gloriously fudgy, incorporate more fat into your batter. In this particular recipe, butter and chocolate are your best allies in reaching that rich, moist consistency. Cakey brownies, on the other hand, tend to have a higher flour content and often rely on leavening agents like baking powder to give them their fluffy, airy structure. Interestingly, the amount of sugar and eggs in the recipe plays a more consistent role across both fudgy and cakey variations; it’s the fat and flour proportions that truly dictate the final texture.

Speaking of fudgy brownies, you might be wondering about the frosting. It’s not just any chocolate frosting; it’s a simple, yet utterly perfect, chocolate ganache. I experimented with various frosting recipes, including the traditional cooked chocolate frosting often found on classic treats like Mom’s Texas Sheet Cake. While delicious in their own right, none quite captured the authentic Cosmic Brownie experience. The beauty of a ganache lies in its ability to coat the entire brownie in a smooth, rich layer, enhancing that glorious fudgy factor. More importantly, it sets just enough to securely hold those iconic rainbow candies in place, maintaining its pristine appearance even when wrapped, just like the originals.
What is Ganache?
Ganache is a luxurious, versatile, and incredibly simple preparation made from chocolate and cream. It can be used as a glaze, frosting, filling, or even whipped into a light and airy mousse. Typically, it involves heating heavy cream and then pouring it over finely chopped chocolate or chocolate chips, allowing the heat to melt the chocolate. The mixture is then stirred until smooth and glossy. The ratio of chocolate to cream can be adjusted to achieve different consistencies, from a pourable glaze to a thick, pipeable frosting or a firm truffle filling. For our Cosmic Brownies, a rich, semi-thick ganache is ideal for providing that signature smooth, chocolatey top that perfectly complements the dense brownie base.
Now, let’s talk about those essential rainbow candies! We were fortunate enough to find ours at Walmart, and they are specifically made by Betty Crocker, designed to mimic that classic look and taste. While M&M’s might work as a substitute in a pinch, I highly recommend seeking out these distinctive rainbow chips for the most authentic Cosmic Brownies Copycat Recipe experience. You might also have luck finding them at stores like Target, or specialty baking supply shops. Their unique texture and vibrant colors are key to truly capturing the spirit of this nostalgic treat.
Cosmic Brownies Copycat Recipe
Rating: 4.58 from 7 votes
Cosmic Brownies Copycat Recipe

It’s a blast from the past with these 90’s inspired Cosmic Brownies Copycat Recipe. They are perfectly fudgy and taste just like your childhood!
Ingredients
For the Brownies
- 1/2 Cup Flour, plus 1 Tablespoon
- 1 Cup Cocoa Powder
- 1 Cup Sugar
- 1/4 Cup Brown Sugar
- 1/2 Cup Butter, plus 3 Tablespoons, unsalted
- 3 Large Eggs
- 1/4 teaspoon Baking Powder
- 1 Pinch Salt
- 1/2 teaspoon Vanilla Extract
For the Frosting
- 1 1/4 Cup Semi Sweet Chocolate Chips
- 1/4 Cup Milk Chocolate Chips
- 1/2 Cup Heavy Cream
- Betty Crocker Rainbow Chips Candies
Instructions
- For the Brownies
- Preheat the oven to 300 degrees F (150 C).
- Butter an 8-inch square pan.
- In a stand mixer, with a whisk attachment, beat the 3 large eggs at medium speed until fluffy and light yellow. This incorporates air, which contributes to a lighter yet still fudgy texture.
- Add 1 cup sugar and 1/4 cup brown sugar and beat again until well combined and slightly thickened.
- Add the remaining brownie ingredients: 1/2 cup flour, 1 cup cocoa powder, 1/2 cup butter (plus 3 tablespoons, unsalted), 1/4 teaspoon baking powder, 1 pinch salt, and 1/2 teaspoon vanilla extract. Mix on low speed until just combined. Be careful not to overmix, as this can develop the gluten and lead to a tougher brownie.
- Pour the batter into the greased 8-inch square pan and bake for approximately 45 minutes. To check for doneness, insert a toothpick into the center of the pan; it should come out with moist crumbs, but not wet batter. Remember, a slightly gooey center is key to fudgy brownies.
- When baked, remove the pan from the oven and transfer it to a wire rack to cool completely. This step is crucial for the brownies to set and for the ganache to adhere properly.
- For the Ganache
- In a microwave-safe bowl, combine 1 1/4 cup semi-sweet chocolate chips, 1/4 cup milk chocolate chips, and 1/2 cup heavy cream. Melt in 20-second intervals, stirring between each interval until the chocolate is fully melted and the mixture is smooth and glossy. Alternatively, you can melt these ingredients together in a double boiler over simmering water.
- Pour the warm ganache evenly over the cooled brownies. Allow the ganache to sit for a minute or two, letting it begin to set slightly, then generously sprinkle with Betty Crocker Rainbow Chips Candies. Allow the ganache to fully set before slicing, which will take a few hours at room temperature or about 30-60 minutes in the refrigerator.
Recipe Notes
Store these delightful brownies in an airtight container at room temperature for up to 4 days to maintain their freshness and fudgy texture. For longer storage, you can freeze them for up to 3 months; just be sure to wrap them tightly.
Nutrition
Serving: 1g, Calories: 483kcal, Carbohydrates: 56g, Protein: 7g, Fat: 29g, Saturated Fat: 17g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 8g, Trans Fat: 1g, Cholesterol: 99mg, Sodium: 120mg, Potassium: 350mg, Fiber: 6g, Sugar: 41g, Vitamin A: 612IU, Vitamin C: 1mg, Calcium: 65mg, Iron: 4mg
Nutrition information is automatically calculated, so should only be used as an approximation.
These homemade Cosmic Brownies are more than just a dessert; they’re a flavorful journey back to a simpler, sweeter time. The combination of the intensely fudgy brownie base, the rich, smooth ganache, and those playful rainbow chips creates a nostalgic treat that perfectly captures the magic of the original. Whether you’re baking them for a party, a family gathering, or just to satisfy a craving for childhood memories, this Cosmic Brownies Copycat Recipe is sure to bring smiles and delicious satisfaction. Enjoy every single bite of this blast from the past!

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