Indulge in this irresistible Cosmic Brownie Lush, a dreamy chocolate dessert featuring a fudgy brownie base, creamy chocolate pudding and cream cheese layer, rich ganache topping, and iconic rainbow chips. A delicious twist on everyone’s favorite brownie!
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Cosmic Brownie Lush :A Nostalgic Dessert with a Decadent Twist
If you grew up loving Little Debbie Cosmic Brownies, then you’re going to flip for this Cosmic Brownie Lush,a dreamy, homemade version that takes everything you adore about the classic treat and turns it into a next-level dessert! I’m a huge fan of these delicious desserts. I have have a delicious Cosmic brownie copycat recipe here. That’s why this dessert is phenomenal! Imagine a fudgy brownie base layered with creamy chocolate pudding, silky cream cheese, and a rich melted chocolate ganache, all topped with colorful rainbow sprinkles (or those nostalgic rainbow chips). It’s the perfect balance of texture and flavor: fudgy, creamy, chocolatey, and oh-so-fun to eat.
This lush dessert is easy to make, starting with a boxed brownie mix and transforming it into something that tastes like a homemade cosmic brownie recipe straight out of your childhood. To get that perfectly chewy, fudgy chocolate brownie base, bake your brownies until a toothpick comes out with moist crumbs, that’s the secret to the best texture! Once cooled, you’ll layer on the luscious chocolate pudding layer, made with cream cheese and cold milk for that creamy, dreamy consistency. Then comes the chocolate ganache, made with chopped chocolate, sweetened condensed milk, and a touch of heavy cream for extra richness.
A rich layered dessert for the whole family
This dessert isn’t just for kids—it’s for anyone who loves chocolatey goodness. Serve it at bake sales, birthday parties, or any get-together where you want to impress without spending hours in the kitchen. It’s also a fantastic TikTok make—the satisfying layers and colorful toppings make it an irresistible video-worthy treat!
If you want to go the extra mile, try customizing it with mini M&Ms, extra rainbow sprinkles, or a drizzle of corn syrup-based chocolate frosting for extra shine. You can even use homemade brownies if you prefer from-scratch baking, but the store-bought version with a boxed mix still turns out perfectly.
Best Tips for Success:
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Make sure your cream cheese is room temperature before mixing to avoid lumps.
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Use a stand mixer or hand mixer to blend the pudding and cream cheese until smooth.
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Let the dessert chill for at least 4 hours (overnight is even better!) to help the layers set beautifully.
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For clean slices, use a sharp knife dipped in hot water and wiped dry between cuts.
The result? A lush dessert that’s rich, fudgy, and packed with chocolate flavor—the ultimate nostalgic indulgence that pairs perfectly with a cold glass of milk. Whether you’re reliving your elementary school snack memories or sharing your favorite desserts with a new generation, this Cosmic Brownie Lush is the perfect copycat recipe that proves sometimes, the homemade version really is better than the original.
Serves- 12
Prep time- 20 minutes
Cook time- 25 minutes
Chill time- 4 hours 30 minutes
What you’ll need to make a Cosmic Brownie layered dessert
18 ounce box of brownie mix
The eggs, oil and water your box mix calls for
1 (8 ounce) block cream cheese, softened
5.9 ounce box chocolate instant pudding mix
3 cups cold milk
½ cup sweetened condensed milk
8 ounces semi sweet chocolate chips
½ cup rainbow chocolate chips, divided
How to make a Cosmic Brownie Lush
Preheat oven to Line a 9×13 baking dish with parchment paper.
In a large bowl combine the brownie mix with the eggs, oil and water the box calls for.
Pour the brownie batter into the prepared pan.
Bake in your 350 degree oven for 23-25 minutes until a toothpick inserted comes out clean.
Set the brownies aside to cool.
Meanwhile prepare your filling.
Using an electric mixer whip your cream cheese.
In a small bowl combine the instant pudding mix with the cold milk.
Using the electric mixer combine the pudding with the cream cheese.
Stir in ¼ cup of the rainbow chips into the cream cheese pudding mixture.
Spread the pudding mixture over the brownie layer.
Place the pan into the fridge to chill for 30 minutes.
Meanwhile prepare the ganache.
In a microwave safe bowl combine the sweetened condensed milk and chocolate chips.
Microwave in 30 second intervals until all melted and smooth.
Spread the ganache over the top of the pudding layer.Sprinkle with the remaining rainbow chips.
Refrigerate for 4 hours.
Slice and serve!
FAQ for Cosmic Brownie Lush
Store leftovers in an airtight container in refrigerator for up to 3 days.
You can use whichever milk your family likes to drink to make the pudding.
You can get the rainbow chips on Amazon.

Cosmic Brownie Lush
Satisfy your sweet tooth with Cosmic Brownie Lush, a decadent dessert that combines brownies, chocolate pudding, and rainbow chips.
Ingredients
- 18 ounce box of brownie mix
- The eggs, oil and water your box mix calls for
- 1 (8 ounce) block cream cheese, softened
- 5.9 ounce box chocolate instant pudding mix
- 3 cups cold milk
- ½ cup sweetened condensed milk
- 8 ounces semi sweet chocolate chips
- ½ cup rainbow chocolate chips, divided
Instructions
Preheat oven to 350 degrees. Line a 9x13 baking dish with parchment paper. In a large bowl combine the brownie mix with the eggs, oil and water the box calls for.
Pour the brownie batter into the prepared pan. Bake in your 350 degree oven for 23-25 minutes until a toothpick inserted comes out clean.
Set the brownies aside to cool.Meanwhile prepare your filling. Using an electric mixer whip your cream cheese. In a small bowl combine the instant pudding mix with the cold milk.
Using the electric mixer combine the pudding with the cream cheese.Stir in ¼ cup of the rainbow chips into the cream cheese pudding mixture.
Spread the pudding mixture over the brownie layer.
Place the pan into the fridge to chill for 30 minutes.
Meanwhile prepare the ganache. In a microwave safe bowl combine the sweetened condensed milk and chocolate chips. Microwave in 30 second intervals until all melted and smooth.
Spread the ganache over the top of the pudding layer.Sprinkle with the remaining rainbow chips.
Refrigerate for 4 hours. Slice and serve!
Nutrition Information:
Yield:
12Serving Size:
1Amount Per Serving: Calories: 493Total Fat: 23gSaturated Fat: 11gTrans Fat: 0gUnsaturated Fat: 11gCholesterol: 31mgSodium: 236mgCarbohydrates: 70gFiber: 2gSugar: 32gProtein: 8g