A rich chocolate brownie recipe that’s out of this world! Cosmic Brownies are made even better with the addition of silky chocolate ganache frosting poured on top.
Chocolate Frosted Brownies
Do you have a go-to brownie recipe when you want to wow? That one that you keep on stand by for any bake sale, pot luck or party that calls for a dessert everyone is guaranteed to love?
For me, this Cosmic Brownie recipe is it. I love how easy it is to mix the ingredients together–barely more work than opening a box of brownie mix–and how perfect they taste every time. For a long time I called these “One Bowl Brownies” because the batter comes together in one bowl.
Brownies are also the best dessert to make when you don’t have time to mess with frosting or decorating. The chocolate ganache on Cosmic Brownies gets poured over top without any fussing with frosting bags, but still looks (and tastes) impressive!
There’s nothing gimmicky about this brownie recipe; no secret ingredients or unusual variations. That said, there is nothing ordinary about Cosmic Brownies. The taste is extraordinary.
The Cosmic Brownie Recipe is also among the easiest brownie recipes to make. Unlike many other fudgey brownie recipes, you don’t have to melt chocolate to fold into the batter. It gets its chocolate taste from cocoa powder and, if you like even more chocolate in your brownies, whole chocolate chips.
I included this recipe in my book under the name “Out of this World Brownies” because they truly taste better than just about any brownie I’ve tasted on earth. These brownies are a chocolate lover’s heaven!
Chocolate Ganache for Brownies
Wait until you try the chocolate ganache on these brownies! Made with a combination of milk chocolate and semi-sweet chocolate, this brownie icing adds the finishing touch to Cosmic Brownies.
To make the chocolate ganache frosting, you just melt the chocolate with warmed heavy cream, add butter and whisk everything together. The ganache gets poured right on top of the brownies. Easy as can be!
I love to top my Cosmic Brownies with plenty of multicolored sprinkles! Sprinkles are an optional garnish of course, but so much fun. When you don’t want to mess with complicated decorating, sprinkles are the perfect way to add a pop of color to your brownies.
I used these rainbow chip sprinkles. Mine were purchased last year when there was a pastel option, but unfortunately I can’t find those at the moment.
- Make sure to let the frosted brownies sit for 2 to 3 hours before you cut them. The ganache needs time to set!
- For a less rich brownie that’s still delicious, you can also enjoy Cosmic Brownies without the ganache.
- Do not overbake. No one wants a dried out brownie. These brownies are done when a toothpick inserted in the center comes out with some moist crumbs attached.
More Brownie Recipes
Once you make Cosmic Brownies you might never feel the need to make another kind of brownie ever again. Or, if you’re like me, you might suddenly find yourself brownie obsessed.
After these out of this world brownies, give some of my other favorites a try! For a true classic, go with my Homemade Brownies. My Easy Brownies Made With Cocoa Powder are incredibly delicious and so simple to make. Want to use a brownie mix but take it to the next level? These Doctored Brownie Mix Tips are not to be missed! Brownies Made with Greek Yogurt offer an alternative with less butter and oil. Peppermint Brownie Bars bring rich chocolate and refreshing peppermint together for a treat that’s a hit every holiday season. And, come Fall, you’re going to want to a pan of Pumpkin Brownies on your dessert table.
Cosmic Brownie Recipe
An easy brownie recipe that comes together in one bowl–plus one more for the ganache! If you have only one brownie recipe in your baking repertoire, this should be it.
- 10 tablespoons unsalted butter
- 1 1/4 cups granulated sugar
- 3/4 cup plus 2 tablespoons unsweetened cocoa powder Dutch Process recommended
- 1/2 teaspoon salt
- 1 teaspoon baking powder
- 1 teaspoon pure vanilla extract
- 2 large eggs room temperature
- 1/2 cup all-purpose flour
- 1 cup semi-sweet mini chocolate chips
- 4 oz semi-sweet chocolate, chopped
- 4 oz milk chocolate, chopped
- 1/2 cup heavy cream
- 1 tbsp room temperature butter, cut into small pieces
- Sprinkles for garnish
- Position oven rack in center of oven. Preheat oven to 325ºF Line a 8-inch square pan with parchment or alumni paper. Spray with non-stick cooking spray, then set aside.
- Place butter in a large, microwave-safe bowl and heat for one minute. If butter is not fully melted after one minute, return to microwave and heat in 15 second bursts until fully melted. Remove bowl from microwave.
- Add sugar, cocoa powder and salt to the melted butter and mix well to combine. The mixture will likely be dry, that's to be expected. Allow mixture to sit for five minutes to make sure it has cooled prior to adding additional ingredients.
- After mixture has cooled slightly, add vanilla and mix well. Add room-temperature eggs, one at a time, mixing well after each egg is added. Once both eggs have been added, mix with an electric mixer on medium for 3-5 minutes.
- In a separate bowl combine flour and baking powder, and stir to combine. Add flour mixture to batter and mix by hand to combine. While we want to avoid over mixing, this batter does need to be stirred well to incorporate all the ingredients. Stirring about 40 strokes with a spoon is a good guide. Fold chocolate chips (or nuts) into the batter and gently stir until combined.
- Bake for 20 to 25 minutes, until a tester comes out with some moist crumbs attached. Once the center has started to set up and no longer jiggles when you shake the pan, it's time for these brownies to come out to avoid over baking.
- Allow to cool on a wire rack.
- To make ganache frosting, place chocolate in a heat safe bowl. Warm heavy cream in a small saucepan on the stove until it just starts to bubble. Take care not to overheat and scald the cream. Pour hot cream over chocolate in bowl and let sit for approximately 30 seconds, then gently and consistently stir until chocolate all melts. Once chocolate has melted, add in butter and stir until well combined. Pour chocolate ganache over the top of the chocolate brownies while the brownies are still warm. Brownies need to sit 3-4 hours for ganache to firm up prior to cutting.