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Cosmic Brownies – a homemade version of the childhood favorite. Rich and fudgy brownies topped with a chocolate fudge frosting and rainbow sprinkles.
When I was a kid I absolutely LOVED the Little Debbie Cosmic Brownies. They first came with just nuts on top, which I ALWAYS picked off. I am not a fan of nuts in dessert, so they were always fully removed before I ate the brownies. Then they introduced the Cosmic Brownies with the sprinkles on top, and I was totally in love. It was a lunch box staple for many years!
I am pretty sure the Little Debbie brownies were the start of my love of brownies. They still remain one of my favorite all time treats!
What are Cosmic Brownies
They are a rich chocolate brownie topped with a chocolate fudge topping and sprinkled with rainbow sprinkles. This recipe is a copycat of the version Little Debbie sells.
What You’ll Need
Be sure to scroll to the bottom of the post for the FULL PRINTABLE recipe card.
- Butter – I always use unsalted butter when baking
- Granulated Sugar
- Light Brown Sugar
- Vanilla Extract
- Eggs
- All-Purpose Flour
- Cocoa Powder
- Cornstarch
- Rainbow Sprinkles
- Semi-Sweet Chocolate
- Heavy Cream
How Do You Make Cosmic Brownies
- Brownie Batter – start by melting the butter and mixing together the wet ingredients. Then fold in the dry ingredients, being careful not to over mix. Bake until a tooth pick comes up with just a few crumbs. You want to just slightly under bake the brownies.
- Frosting – Let the brownies cool completely and then mix the chocolate and cream together to make the chocolate fudge. Pour over the brownies and let it set up.
- Sprinkles – After the ganache is spread, sprinkle with the candy coated chocolate chips or sprinkles.
- Slice – Once the chocolate has completely set, cut into squares and store in an air tight container in the fridge.
Tips for Making Brownies
- You can find the rainbow sprinkles at most craft stores and even some grocery stores. I have seen these at Michael’s, Hobby Lobby and even Kroger grocery stores. They are candy coated chocolate chips, but you can use regular sprinkles or even mini M&M’s if that is what you have or can find.
- Brownies are best stored in the fridge, so the topping does not melt. You can let them sit out for a few minutes to warm up before serving, just be careful if it is a hot day or they are quite messy to eat.
- As with most brownies I make, these are best of they are just slightly under baked. They do continue to cook a little bit after you take them out of the oven. This helps give them the dense texture and make them super fudgy.
- Use a good quality chocolate. These are obviously chocolate centered, so you want to make sure they taste as good as possible. This goes for the cocoa powder in the brownies and the chocolate for the topping. Dutch processed cocoa powder gives you the richest flavor.
- Store brownies in an air tight container. You want to make sure these are covered and stored well, they do have a tendency to dry out quickly.
Can you Freeze Cosmic Brownies
These freeze really well! You can wrap each brownie individually in plastic wrap and then store in a freezer safe bag. They are perfect for a lunch box treat, just like when you were a kid!
These are for more than just kids. This homemade version is super rich and fudgy and something everyone is going to love. So mix up a batch today!
Otherwise just store brownies in an airtight container for up to 4 days.
More Brownie Recipes to Try
- Peanut Butter Stuffed Brownies
- Easy Homemade Brownies
- Moonies (Chocolate Mousse Brownies)
- Nutella Brownies
- Fudgy Brownies
- Gooey Brownie Pie
Cosmic Brownies
Video
Ingredients
- 1/2 cup butter, melted
- 1 cup granulated sugar
- 1/4 cup light brown sugar
- 1 teaspoon vanilla extract
- 2 whole eggs
- 3/4 cup all-purpose flour
- 1/2 cup cocoa powder
- 1 Tablespoon cornstarch
- 1/4 cup rainbow sprinkles
Chocolate Topping
- 1 1/4 cup semi-sweet chocolate
- 1/3 cup heavy cream
Instructions
- Preheat oven to 350 degrees F. Line an 8 inch baking with foil or grease well.
- In a bowl mix together melted butter with sugar and brown sugar until well combined. Add in vanilla and eggs and beat until smooth. Gently mix in flour, cocoa powder and cornstarch until just combined.
- Pour batter into prepared pan. Bake for 25-30 minutes until a tester comes out mostly clean. Remove from oven and cool completely.
- Heat heavy cream in a bowl for 45 seconds. Add chocolate and let stand for 2 minutes, then mix until chocolate is melted and is smooth.
- Pour over brownies and spread evenly. Sprinkle with rainbow sprinkles.
- Set in fridge until chocolate is set. Slice and serve.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
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I love how simple and easy this recipe is! Thank you so much!
Absolutely loved these as a kid, so glad I can make them myself and they taste just as good!
These brownies are totally irresistible! Can’t wait to make it again!
These bring me back to my childhood! Love this!
Where do u buy the candy coated chocolate sprinkles , I can’t find them