Cosmic Brownie Cheesecake is a dreamy, decadent dessert that combines two beloved treats: rich, fudgy brownies and creamy cheesecake. Inspired by the nostalgic Little Debbie Cosmic Brownies, this cheesecake features a brownie crust topped with a velvety chocolate cheesecake layer, chocolate ganache, and the iconic rainbow candy sprinkles. Every bite is an explosion of indulgent chocolate flavors and colorful whimsy, making it perfect for birthdays, celebrations, or simply satisfying your sweet tooth. Whether you’re a fan of nostalgic desserts or just love chocolate, this cheesecake is sure to become a favorite in your recipe collection.
Why You’ll Love This Recipe
This Cosmic Brownie Cheesecake has something for everyone to love. The combination of a fudgy brownie crust and creamy chocolate cheesecake creates a textural masterpiece—dense yet silky, rich but not overwhelming. The ganache topping adds an extra layer of decadence, while the colorful candy sprinkles make it fun and visually appealing. You’ll appreciate how simple it is to assemble, with each layer elevating the flavor and presentation. Whether you’re hosting a party or treating yourself, this cheesecake will have everyone coming back for seconds.
Preparation Time and Servings
- Prep time: 30 minutes
- Cook time: 1 hour
- Chill time: 6 hours (or overnight)
- Total time: 7 hours 30 minutes
- Yield: 12 servings
- Serving size: 1 slice
Nutritional Information (per serving)
- Calories: 480
- Carbohydrates: 47g
- Protein: 7g
- Fat: 30g
- Fiber: 3g
- Sugar: 35g
Ingredients
For the Brownie Crust:
- 1/2 cup unsalted butter, melted
- 1 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/3 cup unsweetened cocoa powder
- 1/2 cup all-purpose flour
- 1/4 teaspoon salt
For the Chocolate Cheesecake Layer:
- 16 oz (2 blocks) cream cheese, softened
- 1 cup granulated sugar
- 3 large eggs
- 1/2 cup sour cream
- 1/4 cup heavy cream
- 1/3 cup unsweetened cocoa powder
- 1 teaspoon vanilla extract
- 4 oz semisweet chocolate, melted and slightly cooled
For the Chocolate Ganache Topping:
- 1/2 cup heavy cream
- 6 oz semisweet chocolate, finely chopped
- 1 teaspoon vanilla extract
For Decoration:
- 1/4 cup rainbow candy-coated sprinkles (or cosmic-style sprinkles)
Step-by-Step Instructions
Step 1: Make the Brownie Crust
- Preheat the oven: Preheat your oven to 350°F (175°C). Grease a 9-inch springform pan and line the bottom with parchment paper for easy removal.
- Mix the brownie batter: In a large bowl, whisk together the melted butter and sugar until smooth. Add the eggs and vanilla extract, and whisk until combined. Sift in the cocoa powder, flour, and salt, then fold the mixture until just combined—don’t overmix.
- Bake the crust: Pour the brownie batter into the prepared springform pan, spreading it into an even layer. Bake for 15–18 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs. Remove from the oven and let it cool slightly while you prepare the cheesecake layer.
Step 2: Make the Chocolate Cheesecake Layer
- Prepare the cream cheese mixture: In a large mixing bowl, beat the softened cream cheese and sugar together with a hand or stand mixer until smooth and creamy (about 2 minutes).
- Add wet ingredients: Beat in the eggs one at a time, followed by the sour cream, heavy cream, and vanilla extract. Scrape down the sides of the bowl as needed to ensure everything is fully incorporated.
- Add cocoa and melted chocolate: Sift in the cocoa powder and beat until combined. Slowly mix in the melted chocolate, ensuring the mixture is smooth and evenly chocolatey.
- Pour over the crust: Pour the cheesecake batter over the cooled brownie crust, smoothing it into an even layer.
Step 3: Bake the Cheesecake
- Set up a water bath: Wrap the bottom and sides of the springform pan tightly in aluminum foil to prevent leaks. Place the pan in a large roasting pan and pour hot water into the roasting pan until it reaches halfway up the sides of the springform pan.
- Bake the cheesecake: Bake the cheesecake at 325°F (163°C) for 50–60 minutes, or until the edges are set and the center has a slight jiggle.
- Cool the cheesecake: Turn off the oven and leave the cheesecake inside with the door slightly ajar for 1 hour to cool gradually. Then, remove it from the water bath, discard the foil, and let it cool completely at room temperature. Cover and refrigerate for at least 6 hours or overnight.
Step 4: Make the Ganache Topping
- Heat the cream: In a small saucepan, heat the heavy cream over medium heat until it begins to simmer. Remove from heat and pour it over the chopped chocolate in a heatproof bowl.
- Stir until smooth: Let the mixture sit for 2–3 minutes, then stir until the chocolate is completely melted and the ganache is smooth. Stir in the vanilla extract.
- Spread the ganache: Pour the ganache over the chilled cheesecake, spreading it evenly with an offset spatula.
Step 5: Decorate and Serve
- Add the sprinkles: While the ganache is still soft, sprinkle the rainbow candy sprinkles evenly over the top.
- Chill again: Return the cheesecake to the refrigerator for 15–20 minutes to set the ganache.
- Slice and serve: Run a knife around the edge of the springform pan to release the cheesecake, then slice and enjoy!
Ingredient Background
This dessert brings together nostalgic flavors with high-quality ingredients. The brownie crust is dense and fudgy, thanks to melted butter and cocoa powder, creating the perfect foundation. The cheesecake layer is rich and creamy, with the addition of sour cream and melted chocolate for extra depth. The ganache topping adds a glossy, decadent finish, while the rainbow sprinkles bring a playful touch reminiscent of Cosmic Brownies.
Technique Tips
- Room temperature ingredients: Use room temperature cream cheese, eggs, and sour cream to ensure a smooth cheesecake batter without lumps.
- Prevent cracks: Baking the cheesecake in a water bath and allowing it to cool gradually helps prevent cracks from forming.
- Don’t overbake: The center of the cheesecake should still have a slight jiggle when you turn off the oven—it will set as it cools.
- Clean slicing: For neat slices, run your knife under hot water, wipe it clean, and slice in one motion. Repeat for each slice.
Alternative Presentation Ideas
- Mini cheesecakes: Make individual portions by using a muffin tin lined with cupcake liners. Adjust the baking time accordingly.
- Layered dessert cups: Layer brownie pieces, cheesecake filling, and ganache in small glasses for a parfait-style dessert.
- Cosmic Brownie Topping: Instead of sprinkles, chop actual Cosmic Brownies into small pieces and sprinkle them on top of the ganache for a fun twist.
Additional Tips for Success
- Foil for water bath: Wrap the springform pan with multiple layers of heavy-duty foil to ensure no water seeps into the crust.
- Chill thoroughly: Allowing the cheesecake to chill overnight ensures the flavors meld and the texture firms up.
- Extra sprinkles: Save a few extra sprinkles to garnish individual slices for an extra colorful presentation.
Recipe Variations
- Peanut Butter Cosmic Cheesecake: Swirl peanut butter into the cheesecake layer and top with peanut butter chips in addition to sprinkles.
- Mint Chocolate Cosmic Cheesecake: Add peppermint extract to the cheesecake batter and use green sprinkles for a festive touch.
- White Chocolate Cosmic Cheesecake: Swap the semisweet chocolate in the cheesecake and ganache with white chocolate for a sweeter variation.
- Gluten-Free Cosmic Cheesecake: Use gluten-free brownie mix or almond flour for the crust to make this dessert gluten-free.
Freezing and Storage
Refrigerator: Store the cheesecake in an airtight container or wrap it tightly with plastic wrap. It will stay fresh in the refrigerator for up to 5 days.
Freezer: To freeze, wrap individual slices in plastic wrap and place them in a freezer-safe bag. Freeze for up to 3 months. Thaw in the refrigerator overnight before serving.
Healthier Twist Ideas
- Greek yogurt: Replace sour cream with plain Greek yogurt to reduce fat and add protein.
- Lower sugar: Use a sugar substitute like erythritol or stevia in the cheesecake and brownie layers.
- Dark chocolate: Opt for dark chocolate (70% cocoa or higher) for the ganache to reduce sugar content.
Serving Suggestions for Events
This Cosmic Brownie Cheesecake is perfect for birthdays, potlucks, or family gatherings. Serve it as the centerpiece of your dessert table, paired with coffee, milk, or a glass of red wine. For themed events, coordinate the sprinkles to match the color scheme—pastels for spring, red and green for Christmas, or gold and silver for New Year’s Eve.
Special Equipment
- Springform pan: Essential for easy cheesecake removal.
- Mixing bowls: For preparing the brownie, cheesecake, and ganache layers.
- Hand or stand mixer: For a smooth, creamy cheesecake batter.
- Roasting pan: To create a water bath for baking.
Frequently Asked Questions
1. Can I make this cheesecake without a water bath?
Yes, but the water bath helps ensure even baking and prevents cracks. If skipping it, place a pan of hot water on the oven rack below the cheesecake to create steam.
2. What if my cheesecake cracks?
No worries! The ganache topping will cover any cracks, so your cheesecake will still look perfect.
3. Can I use a box brownie mix for the crust?
Absolutely! Prepare the brownie mix according to package instructions, then bake as directed for the crust layer.
4. Can I make this cheesecake in advance?
Yes, this cheesecake is perfect for making ahead. It tastes even better after chilling overnight.
5. What type of sprinkles should I use?
Use candy-coated rainbow sprinkles for the best visual appeal, mimicking the look of Cosmic Brownies.
6. How do I store leftover ganache?
Store leftover ganache in an airtight container in the refrigerator for up to 1 week. Reheat gently to use as a drizzle for ice cream or other desserts.
7. Can I use milk chocolate instead of semisweet?
Yes, but the cheesecake will be sweeter. Adjust the sugar in the recipe to balance the flavor.
8. What’s the best way to transport this cheesecake?
Keep the cheesecake in its springform pan and transport it in a cooler bag with ice packs to keep it chilled.
Conclusion
Cosmic Brownie Cheesecake is the ultimate dessert mash-up, combining nostalgic childhood treats with sophisticated flavors. Its layers of fudgy brownie crust, creamy chocolate cheesecake, glossy ganache, and playful sprinkles make it an irresistible show-stopper. Whether you’re celebrating a special occasion or treating yourself, this dessert will delight both kids and adults alike. Try it today and add a splash of color—and chocolatey goodness—to your dessert repertoire!
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Cosmic Brownie Cheesecake
- Total Time: 7 hours 30 minutes
- Yield: 12 servings 1x
Ingredients
For the Brownie Crust:
- 1/2 cup unsalted butter, melted
- 1 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/3 cup unsweetened cocoa powder
- 1/2 cup all-purpose flour
- 1/4 teaspoon salt
For the Chocolate Cheesecake Layer:
- 16 oz (2 blocks) cream cheese, softened
- 1 cup granulated sugar
- 3 large eggs
- 1/2 cup sour cream
- 1/4 cup heavy cream
- 1/3 cup unsweetened cocoa powder
- 1 teaspoon vanilla extract
- 4 oz semisweet chocolate, melted and slightly cooled
For the Chocolate Ganache Topping:
- 1/2 cup heavy cream
- 6 oz semisweet chocolate, finely chopped
- 1 teaspoon vanilla extract
For Decoration:
- 1/4 cup rainbow candy-coated sprinkles (or cosmic-style sprinkles)
Instructions
Step 1: Make the Brownie Crust
- Preheat the oven: Preheat your oven to 350°F (175°C). Grease a 9-inch springform pan and line the bottom with parchment paper for easy removal.
- Mix the brownie batter: In a large bowl, whisk together the melted butter and sugar until smooth. Add the eggs and vanilla extract, and whisk until combined. Sift in the cocoa powder, flour, and salt, then fold the mixture until just combined—don’t overmix.
- Bake the crust: Pour the brownie batter into the prepared springform pan, spreading it into an even layer. Bake for 15–18 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs. Remove from the oven and let it cool slightly while you prepare the cheesecake layer.
Step 2: Make the Chocolate Cheesecake Layer
- Prepare the cream cheese mixture: In a large mixing bowl, beat the softened cream cheese and sugar together with a hand or stand mixer until smooth and creamy (about 2 minutes).
- Add wet ingredients: Beat in the eggs one at a time, followed by the sour cream, heavy cream, and vanilla extract. Scrape down the sides of the bowl as needed to ensure everything is fully incorporated.
- Add cocoa and melted chocolate: Sift in the cocoa powder and beat until combined. Slowly mix in the melted chocolate, ensuring the mixture is smooth and evenly chocolatey.
- Pour over the crust: Pour the cheesecake batter over the cooled brownie crust, smoothing it into an even layer.
Step 3: Bake the Cheesecake
- Set up a water bath: Wrap the bottom and sides of the springform pan tightly in aluminum foil to prevent leaks. Place the pan in a large roasting pan and pour hot water into the roasting pan until it reaches halfway up the sides of the springform pan.
- Bake the cheesecake: Bake the cheesecake at 325°F (163°C) for 50–60 minutes, or until the edges are set and the center has a slight jiggle.
- Cool the cheesecake: Turn off the oven and leave the cheesecake inside with the door slightly ajar for 1 hour to cool gradually. Then, remove it from the water bath, discard the foil, and let it cool completely at room temperature. Cover and refrigerate for at least 6 hours or overnight.
Step 4: Make the Ganache Topping
- Heat the cream: In a small saucepan, heat the heavy cream over medium heat until it begins to simmer. Remove from heat and pour it over the chopped chocolate in a heatproof bowl.
- Stir until smooth: Let the mixture sit for 2–3 minutes, then stir until the chocolate is completely melted and the ganache is smooth. Stir in the vanilla extract.
- Spread the ganache: Pour the ganache over the chilled cheesecake, spreading it evenly with an offset spatula.
Step 5: Decorate and Serve
- Add the sprinkles: While the ganache is still soft, sprinkle the rainbow candy sprinkles evenly over the top.
- Chill again: Return the cheesecake to the refrigerator for 15–20 minutes to set the ganache.
- Slice and serve: Run a knife around the edge of the springform pan to release the cheesecake, then slice and enjoy!
- Prep Time: 30 minutes
- Chill time: 6 hours (or overnight)
- Cook Time: 1 hour
Nutrition
- Serving Size: 1 slice
- Calories: 480
- Sugar: 35g
- Fat: 30g
- Carbohydrates: 47g
- Fiber: 3g
- Protein: 7g