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    Home » Recipes » Desserts

    Copycat Cosmic Brownies Recipe

    Modified: Sep 10, 2025 · Published: Sep 29, 2022 by Brandy · This post may contain affiliate links.

    Jump to Recipe

    Our copycat cosmic brownies are LEGIT. Fudgy brownies, loaded with chocolate flavor, and topped with ganache glaze and colorful sprinkles.

    You might also like some of our other favorite dessert recipes: cosmic brownie cookies, Texas sheet cake cookies, or copycat Hostess cupcake recipe.

    Cosmic brownies on parchment paper.

    What makes these brownies so delicious? Just like Little Debbie's Cosmic Brownie treats, they are moist and fudgy, not cake-like at all. This gives them a smooth texture and soft bite. Once upon a time, Chick-fil-A also sold brownies similar to these, and they were amazing! Their current brownies simply don’t compare, but no worries, now you can make this classic chocolate treat at home.

    Why I Like This Recipe

    • Rich chocolate flavor. These brownies are extra rich because I use a 50/50 blend of Hershey's special dark baking cocoa and regular baking cocoa. Rich flavor, without being overpowering. I love that I can use baking cocoa to achieve this flavor vs. melting down baking chocolate.
    • Chocolate ganache. The glaze is truly what sets Cosmic brownies apart from the rest. This glaze is not to be confused with frosting. It sets up so that you can pick up the brownies without your fingers getting sticky.
    • Soft brownies. These Cosmic brownies are ridiculously soft and fudgy, and they'll stay soft for days, becoming even better on day 2.
    Jump to:
    • Why I Like This Recipe
    • Tips and Tricks
    • Ingredients
    • How To Make Cosmic Brownies
    • Cosmic Brownies FAQs
    • More Brownie Recipes To Make
    • Copycat Cosmic Brownies
    Cosmic brownie with bite out of it.

    Tips and Tricks

    1. Use parchment paper in the baking pan. This is a trick for any recipe that needs to be cut into squares and removed from the pan. Line the baking sheet with parchment paper, with at least an inch hanging over each side. Once the brownies cool, it's easy to peel off the paper and remove the entire pan of brownies at the same time. Transfer to a cutting board and slice into squares.
    2. Do not overbake the brownies. The brownies might seem done when they come out of the oven, but they will continue to bake as they sit in the hot pan. Do not overbake the brownies. 23-25 minutes is perfect.
    3. Chill the brownies. These brownies need to chill in the refrigerator for an hour or two. This step is critical for creating the fudge brownie base and allowing the top to set properly.

    Ingredients

    Bowls of flour, sugar, brown sugar, salt, coco powder, 2 eggs, bottle of milk, bottle of sprinkles, chocolate chips, jar of honey, bowl of brown sugar, bottle of vanilla and stick of butter.

    Brownies

    • Butter: I prefer salted, but you can use unsalted butter too.
    • Sugar: I use a combination of granulated sugar and brown sugar for moisture and texture.
    • Eggs
    • Vanilla extract
    • All-purpose flour
    • Baking cocoa (cocoa powder): I like using a 50/50 blend of Hershey's special dark and regular baking cocoa for a rich, but not overpowering flavor.
    • Salt

    Glaze

    • Semi-sweet chocolate chips
    • Butter
    • Honey (or light corn syrup)
    • Milk

    Decorations

    • Rainbow chip sprinkles: The cosmic sprinkles are rainbow-colored candy-coated chocolate chips. You can sometimes find them in stock at Walmart, but I ordered mine on Amazon. You only need a few tablespoons for this recipe, but the rest won’t go to waste! I keep them in the pantry and add them to the top of Texas sheet cake or Cosmic brownie cookies.

    See the recipe card for full information on ingredients and quantities.

    How To Make Cosmic Brownies

    Mixing bowl of melted butter, sugar and brown sugar.

    Step 1: In a large mixing bowl, mix melted butter, sugar, and brown sugar. Mix until creamed and smooth. Add eggs and vanilla. Mix.

    Mixing bowl with flour and baking cocoa poured over butter and sugar mixture.

    Step 2: Add flour, cocoa powder, and salt. Mix.

    Rubber spatula spreading brownie batter in baking pan.

    Step 3: Pour brownie batter into parchment-paper-lined baking dish. Spread with a rubber spatula. Bake brownies for 23-25 minutes. Let brownies cool for 30 minutes.

    Step 4: Combine ganache ingredients and melt on the stovetop over med-low heat OR in the microwave in 15-20 second intervals, stirring in between each interval until melted and smooth.

    Glaze being spread over brownie with metal spatula.

    Step 5: Pour ganache over brownies and spread until smooth. Let brownies sit for 1 hour at room temperature to cool completely, then chill for 1 hour in the refrigerator. 

    Cosmic brownies coated in ganache and rainbow sprinkles.

    Step 6: Sprinkle the brownies with rainbow candy-coated sprinkles. Let brownies sit for 1 hour at room temperature to cool completely, then chill for 1 hour in the refrigerator.  

    copycat cosmic brownies squares

    Step 7: Lift the brownies from the pan, using the parchment paper, and set them on a cutting board. Use a sharp knife to trim the edges and slice them into bars.

    Cosmic Brownies FAQs

    What baking cocoa is best for copycat Cosmic brownies?

    I always use a 50/50 blend of Hershey's Special Dark baking cocoa and regular baking cocoa. It gives brownies a rich chocolate flavor without being overpowering.

    What kind of sprinkles are on Cosmic brownies?

    The cosmic sprinkles are rainbow-colored candy-coated chocolate chips. You can sometimes find them in stock at Walmart, but I ordered mine on Amazon. You only need a few tablespoons for this recipe, but the rest won’t go to waste! I keep them in the pantry and add them to the top of Texas sheet cake or Cosmic brownie cookies.

    What is the best way to remove brownies from the pan?

    Line the baking sheet with parchment paper, with at least an inch hanging over each side. Once the brownies cool, it's easy to peel off the paper and remove the entire pan of brownies at the same time. Transfer to a cutting board and slice into squares.

    Hand holding cosmic brownie.

    More Brownie Recipes To Make

    • hand placing pieces of chocolate bar on top of toasted marshmallows
      S'mores Brownies Recipe (Video)
    • flourless black bean brownies cut into squares
      The Best Black Bean Brownies (+ Video)
    • brownie truffles in liners
      Brownie Truffles (No Frosting or Cream Cheese Necessary)
    • hand holding oreo brownie cookie
      Oreo Brownie Cookies (Video)

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    Cosmic brownies on parchment paper.

    Copycat Cosmic Brownies

    Our copycat cosmic brownies are LEGIT. Fudgey, ridiculously moist, and topped with the same glaze and sprinkles from this classic treat.
    5 from 3 votes
    Print Pin Rate
    Prep Time: 10 minutes minutes
    Cook Time: 20 minutes minutes
    chill/cooling: 3 hours hours
    Servings: 16 brownies
    Calories: 283kcal
    Author: Brandy Nelson
    Toggle this switch ON to prevent your screen from going dark while cooking.

    Ingredients

    Brownies

    • ½ cup butter melted
    • 1 cup sugar
    • ¼ cup brown sugar
    • 2 large eggs
    • 1 teaspoon vanilla
    • ⅔ cup flour
    • ⅓ cup cocoa powder
    • 1 teaspoon salt

    Glaze

    • 12 oz. bag of semi-sweet chocolate chips
    • 4 Tbsp. butter
    • 2 Tbsp. honey or light corn syrup
    • 2 Tbsp. milk

    Topping

    • ¼ cup rainbow chip sprinkles

    Instructions

    • Preheat the oven to 350 degrees.
    • Prepare a 9"x13" baking dish with parchment paper and spray with nonstick cooking spray.
      Note: You'll want to leave an inch or two of parchment paper over the edge on each end so that you can lift the brownies out of the pan later on.
    • In a large mixing bowl mix melted butter, sugar, and brown sugar. Mix until creamed and smooth. This can be done by hand (with a Danish dough hook) or with an electric mixer on low speed until just combined.
    • Add eggs and vanilla. Mix.
    • Add flour, cocoa powder, and salt. Mix.
    • Pour brownie batter into the prepared baking dish. Spread with a rubber spatula.
    • Bake brownies for 23-25 minutes. Brownies may seem undercooked, but that is fine. They will continue to bake in the pan while it cools.
    • Let brownies cool for 30 minutes (they might still be a little warm, and that's fine). While they sit, make the ganache.
    • Combine ganache ingredients and melt on the stovetop over med-low heat OR in the microwave in 15-20 second intervals, stirring in between each interval until melted and smooth.
    • Pour ganache over warm brownies and spread until smooth. Sprinkle with rainbow chip sprinkles.
    • Let brownies sit for 1 hour at room temperature then chill for 1-2 hours in the refrigerator.
    • Lift the brownies from the pan (using the parchment paper), while chilled, and set them on a cutting board. Use a sharp knife to trim the edges and slice them into rectangles.

    Notes

    Store brownies at room temperature in an airtight container or cover them with plastic. 

    Nutrition

    Calories: 283kcal | Carbohydrates: 36g | Protein: 2g | Fat: 16g | Saturated Fat: 10g | Polyunsaturated Fat: 0.5g | Monounsaturated Fat: 3g | Trans Fat: 0.4g | Cholesterol: 44mg | Sodium: 225mg | Potassium: 113mg | Fiber: 1g | Sugar: 30g | Vitamin A: 302IU | Vitamin C: 0.01mg | Calcium: 29mg | Iron: 1mg
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    About Brandy

    Welcome! I'm Brandy, mother to 5 darling kiddos and a cute black lab named Toby. My husband is in the Coast Guard so we've lived all over the place, turning each house into a home. I love baking, sewing, making cute things with my kids, and sharing what I've learned with all of you!

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    I'm Brandy! I love to create and share my ideas through easy-to-follow recipes and tutorials.

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