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Chocolate Cola Brownie

A fudgy cola brownie topped with a rich fudge cola frosting.

3.94 avg rating | 2028 reviews

Crumbl Chocolate Cola Brownie Price & Calories

Large Dessert

$4.99 – 690 cal

Mini Dessert

$3.83 – 180 cal

Ingredients:

A symphony of flour, sugar, butter, eggs, and chocolate, come together for our deliciously large gourmet desserts.

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Allergy Information:

Contains: Milk, Egg, Wheat

Our desserts are made onsite and may come into contact with different allergens during production. Please be advised that any of our products may contain allergens including peanuts, tree nuts, milk, eggs, wheat, soy, and sesame.

Nutrition Facts:

SizeFlavorCalorieFatsat. FatCholesterolSod.CarbsFiberSugarsProteins
LargeChocolate Cola Brownie690
MiniChocolate Cola Brownie180

Top reviews:

Based on the highest number of upvote

– Emma R.
The brownie was rich, fudgy, and full of deep chocolate flavor. The cola frosting added a fun and delicious finish.

–Liam T.
I loved the soft brownie texture and smooth fudge topping. The subtle cola flavor made this dessert feel unique and satisfying.

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Important Note

This is an independent homemade copycat recipe inspired by the flavor profile of Crumbl’s Chocolate Cola Brownie. It is not the official Crumbl recipe. Ingredients, texture, sweetness, and appearance may vary depending on the brands and baking method used.

This dessert combines a soft, fudgy chocolate brownie with a smooth cola-infused chocolate frosting. The cola adds a subtle caramel-like sweetness that complements the rich cocoa flavor without overpowering it.

Recipe Overview

  • Preparation time: 25 minutes
  • Baking time: 25–30 minutes
  • Cooling time: 1 hour
  • Total time: About 2 hours
  • Servings: 9 large or 12 small brownies

Ingredients

For the Chocolate Cola Brownies

  • ½ cup unsalted butter
  • ¾ cup semi-sweet chocolate chips
  • ¾ cup granulated sugar
  • ¼ cup light brown sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ⅓ cup cola
  • ¾ cup all-purpose flour
  • ⅓ cup unsweetened cocoa powder
  • ½ teaspoon salt
  • ¼ teaspoon baking powder
  • ½ cup semi-sweet chocolate chips, optional

For the Chocolate Cola Frosting

  • ½ cup unsalted butter, softened
  • 1¾ cups powdered sugar
  • ¼ cup unsweetened cocoa powder
  • 3 tablespoons cola reduction
  • 1 teaspoon vanilla extract
  • Pinch of salt
  • 1–2 tablespoons heavy cream, if needed

Optional Toppings

  • Chocolate shavings
  • Mini chocolate chips
  • Brownie crumbs
  • Light drizzle of cola syrup

Instructions

1. Prepare the Baking Pan

Preheat the oven to 350°F or 175°C.

Grease an 8-inch square baking pan and line it with parchment paper. Leave a small amount of parchment hanging over the sides so the brownies can be lifted out easily.

2. Melt the Butter and Chocolate

Add the butter and ¾ cup chocolate chips to a heat-safe bowl.

Melt them in the microwave in 20-second intervals, stirring after each interval, until smooth. Allow the mixture to cool slightly.

3. Mix the Wet Ingredients

In a large bowl, whisk the granulated sugar, brown sugar, eggs, and vanilla extract until smooth.

Add the melted chocolate mixture and whisk until fully combined.

Slowly pour in the cola and mix gently. The batter may look slightly thinner at this stage, which is normal.

4. Add the Dry Ingredients

In a separate bowl, combine the flour, cocoa powder, salt, and baking powder.

Gradually fold the dry ingredients into the wet mixture.

Mix only until no dry flour remains. Fold in the optional chocolate chips for extra richness.

5. Bake the Brownies

Spread the batter evenly in the prepared pan.

Bake for 25–30 minutes, or until the edges are set and a toothpick inserted into the center comes out with moist crumbs.

Avoid overbaking because the brownies should remain soft and fudgy.

Allow the brownies to cool completely before adding the frosting.

How to Make Cola Reduction

Pour ¾ cup cola into a small saucepan.

Simmer over medium-low heat until the liquid reduces to approximately 3 tablespoons. This may take 10–15 minutes.

Remove the reduction from the heat and allow it to cool completely before adding it to the frosting.

Reducing the cola creates a more concentrated flavor without making the frosting watery.

Prepare the Chocolate Cola Frosting

Add the softened butter to a mixing bowl and beat until creamy.

Add the powdered sugar, cocoa powder, cooled cola reduction, vanilla extract, and salt.

Beat on low speed until combined, then increase to medium speed and mix until smooth and fluffy.

Add heavy cream one tablespoon at a time if the frosting feels too thick.

Assemble the Brownies

Lift the cooled brownies out of the pan using the parchment paper.

Spread or pipe the chocolate cola frosting evenly over the top.

Decorate with chocolate shavings, mini chocolate chips, brownie crumbs, or a light cola syrup drizzle.

Cut into squares and serve.

Helpful Recipe Tips

Use regular cola rather than diet cola for the fullest flavor and best texture.

Allow the cola reduction to cool before adding it to the frosting so the butter does not melt.

Do not overmix the batter after adding the flour because gentle mixing creates a softer brownie.

For clean slices, chill the frosted brownies for 20–30 minutes before cutting.

Use high-quality cocoa powder and chocolate chips for a deeper chocolate flavor.

Storage Instructions

Store the brownies in an airtight container at room temperature for up to 2 days.

For longer storage, refrigerate them for up to 5 days.

Allow refrigerated brownies to sit at room temperature for approximately 15 minutes before serving for a softer texture.

Unfrosted brownies can be frozen for up to 2 months. Wrap them tightly before freezing and add fresh frosting after thawing.

Frequently Asked Questions

Does the brownie taste strongly like cola?

The cola flavor is subtle. It adds a light caramel and vanilla-style sweetness that blends smoothly with the chocolate.

Can I use diet cola?

Regular cola is recommended because its sugar helps provide a richer flavor and smoother reduction. Diet cola may create a different aftertaste.

Can I use a boxed brownie mix?

Yes. Prepare the mix according to the package instructions and replace part of the liquid with cola. Add the homemade chocolate cola frosting after the brownies cool.

How do I keep the brownies fudgy?

Measure the flour carefully, avoid overmixing, and remove the brownies from the oven when the center still has moist crumbs.

Can I make individual brownie cups?

Yes. Divide the batter between lined muffin cups and bake for approximately 15–20 minutes. Begin checking early to prevent overbaking.

Final Thoughts

This homemade Chocolate Cola Brownie offers a rich chocolate base, soft fudgy center, and smooth cola-infused frosting. The subtle soda flavor makes the dessert unique while keeping the classic chocolate brownie taste at the center of every bite.

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