Mini Coca Cola Cakes

Mini Coca Cola Cakes are the bite-sized version of the classic Southern potluck cake, and they might be the most crowd-pleasing thing you bake all year.

Each one is a soft, fudgy chocolate cake with little pockets of melted marshmallow inside.

They are topped with a warm cola frosting that sets into a thin, glossy fudge layer with crunchy pecans on top.

One bite and you will understand why this cake has been showing up at church suppers and family reunions for decades.

Baking them in a mini muffin pan means everyone gets their own perfect little cake.

The edges bake up tender, the frosting to cake ratio is spot on, and there is no slicing or serving mess.

If you love tiny desserts for a party tray, my mini lemon pudding cakes are another easy option to bake alongside these.

Quick Recipe Summary
Prep Time	20 minutes
Cook Time	14 minutes
Total Time	34 minutes
Servings	36 mini cakes
Difficulty Level	Easy

Jump to Recipe

Why You’ll Love These Mini Coca Cola Cakes

This recipe takes an old-fashioned favorite and makes it easier to bake, serve, and share.

The cola and buttermilk keep the crumb incredibly moist, while the marshmallows add a fudgy, almost brownie-like texture.

• Perfectly portioned: Every mini cake is one or two bites, so they are ideal for parties, potlucks, and lunchboxes.
• Ultra moist and fudgy: The hot cola and cocoa batter bakes into a tender cake that stays soft for days.
• Quick bake time: Mini muffin pans bake in about 14 minutes, much faster than a full sheet cake.
• Simple pantry ingredients: Flour, sugar, butter, cocoa, buttermilk, and a can of Coke are all you really need.
• Easy to transport: No cutting and no crumbling, just lift them out of the pan and set them on a platter.
• Nostalgic flavor: That unmistakable Southern chocolate and cola taste feels like a hug from grandma’s kitchen.

You might also enjoy: Triple Chocolate Mousse Cake Recipe

Ingredients

The ingredient list looks long, but most of it is basic pantry staples, and the batter comes together in one saucepan and one bowl.

Make sure your eggs and buttermilk sit out for about 20 minutes so they mix in smoothly.

For the Mini Cakes:

• 1 cup all-purpose flour
• 1 cup granulated sugar
• 3/4 cup mini marshmallows
• 1/2 cup unsalted butter (1 stick), cut into pieces
• 1/4 cup vegetable oil
• 1 1/2 tablespoons unsweetened cocoa powder
• 1/2 cup regular Coca-Cola (not diet)
• 1/4 cup buttermilk, at room temperature
• 1 large egg, at room temperature
• 1/2 teaspoon baking soda
• 1/2 teaspoon vanilla extract
• 1/4 teaspoon salt
• Nonstick cooking spray or mini cupcake liners

For the Coca-Cola Frosting:

• 1/4 cup unsalted butter (1/2 stick)
• 1 1/2 tablespoons unsweetened cocoa powder
• 3 tablespoons regular Coca-Cola
• 2 cups powdered sugar
• 1/2 teaspoon vanilla extract
• 1/2 cup chopped pecans

The buttermilk is worth using here, because its acidity reacts with the baking soda and cocoa to give you a soft, tender crumb.

I like to pick up a small carton of it just for this cake, and I share a trick for making it from scratch in the FAQs.

Another favorite: Buttermilk Pie Recipe

Kitchen Equipment Needed

You do not need anything fancy for these mini cakes, but a good mini muffin pan and a small scoop make the whole process smoother.

Here is what I reach for every time.

• Mini muffin pan (24 cups, you will bake in two batches)
• Mini cupcake liners (optional but helpful)
• Small cookie scoop for even portions
• Medium saucepan for the hot cocoa mixture
• Large mixing bowl
• Small mixing bowl or liquid measuring cup
• Whisk and rubber spatula
• Fine-mesh sieve or sifter
• Wire cooling rack
• Toothpick for testing doneness

Read Also: Chocolate Cupcakes Recipe

Recommended Products for This Recipe

These are my personal recommendations based on years of baking chocolate desserts in my own kitchen.

None of them are required, but each one solves a small problem and makes these mini cakes turn out better.

1. Nordic Ware Mini Muffin Pan

Aluminum pans heat quickly and evenly, so the mini cakes bake with soft edges and no burnt bottoms.

This is the pan I trust for any small cake, and it releases beautifully even without liners. It is also sturdy enough to last for years.

Get it on Amazon

2. Ghirardelli Unsweetened Cocoa Powder

Cocoa is the backbone of both the cake and the frosting, so a good one makes a real difference.

Ghirardelli gives you a deep, rich chocolate flavor that stands up to the sweetness of the cola.

A little goes a long way, and the tin keeps well in the pantry.

Get it on Amazon

3. OXO Good Grips Small Cookie Scoop

The batter is thin, so spooning it into 24 tiny cups can get messy fast. A small scoop portions the batter evenly and keeps the pan clean.

Even baking means every mini cake finishes at the same time.

Get it on Amazon

4. Mexican Coca-Cola in Glass Bottles

This version is made with cane sugar and has a slightly cleaner, more caramel-like flavor.

I like using it when I want the cola note to come through a little more in the frosting. It also makes a fun drink to serve next to the cakes.

Get it on Amazon

For another pecan-topped treat, try my pecan tassies on the same dessert table.

Step-by-Step Instructions: How to Make Mini Coca Cola Cakes

Read through all the steps once before you start, because the frosting is made while the cakes bake.

Everything moves quickly, but nothing is difficult.

1. Prep the Oven and Pans

• Move an oven rack to the center position and preheat the oven to 350°F (175°C).
• Lightly grease two 24-cup mini muffin pans with nonstick spray, or line them with mini cupcake liners.
• If you only own one pan, that is fine. Bake the cakes in two batches and keep the remaining batter covered at room temperature while the first batch bakes.

2. Mix the Dry Ingredients and Marshmallows

• Sift the 1 cup of flour, 1 cup of sugar, and 1/4 teaspoon of salt together into a large mixing bowl.
• Sifting removes lumps and helps the batter mix evenly once the hot liquid goes in.
• Add the 3/4 cup of mini marshmallows and toss them with a spatula until they are coated in the flour mixture.
• The flour coating keeps the marshmallows from clumping together at the bottom of the bowl.

3. Heat the Butter, Oil, Cocoa, and Cola

• Place the 1/2 cup of butter, 1/4 cup of vegetable oil, 1 1/2 tablespoons of cocoa powder, and 1/2 cup of Coca-Cola in a medium saucepan.
• Set the pan over medium heat and whisk until the butter melts and the cocoa dissolves completely.
• Bring the mixture to a gentle boil, then remove the pan from the heat right away.
• The cola will foam a little as it heats, which is completely normal.

4. Combine the Hot Mixture with the Dry Ingredients

• Carefully pour the hot chocolate mixture over the flour, sugar, and marshmallows.
• Whisk until the batter is smooth and no dry flour remains.
• Some of the marshmallows will start to soften, and that is exactly what gives these cakes their fudgy texture.

5. Add the Buttermilk, Egg, Baking Soda, and Vanilla

• In a small bowl or liquid measuring cup, whisk together the 1/4 cup of buttermilk, 1 egg, 1/2 teaspoon of baking soda, and 1/2 teaspoon of vanilla extract.
• Pour this mixture into the chocolate batter right away, because the baking soda starts to react with the buttermilk immediately.
• Whisk gently until everything is just combined, and stop mixing as soon as you see no streaks.
• The batter will be thin and pourable, which is what you want for tender mini cakes.

6. Fill the Mini Muffin Cups

• Use a small cookie scoop or a tablespoon to portion the batter into the prepared cups.
• Fill each cup about three-quarters full, so the cakes have room to rise without spilling over.
• Try to get a few marshmallows into each cup, as they tend to float on top of the thin batter.
• Wipe any drips off the rim of the pan so they do not burn.

7. Bake the Mini Cakes

• Place the pan in the center of the oven and bake for 12 to 14 minutes.
• The cakes are done when the tops spring back lightly and a toothpick inserted in the center comes out with a few moist crumbs.
• Do not overbake them, because mini cakes dry out quickly once they pass the finish line.
• Start the frosting in the last 4 to 5 minutes of baking so it is warm when the cakes come out.

8. Make the Coca-Cola Frosting

• Place the 2 cups of powdered sugar in a medium heatproof bowl and set it near the stove.
• In a small saucepan, combine the 1/4 cup of butter, 1 1/2 tablespoons of cocoa powder, and 3 tablespoons of Coca-Cola.
• Heat over medium heat, stirring often, until the butter melts and the mixture comes to a boil.
• Pour the hot mixture over the powdered sugar and whisk until smooth and glossy.
• Stir in the 1/2 teaspoon of vanilla extract and the 1/2 cup of chopped pecans.

9. Frost the Warm Cakes

• Let the mini cakes cool in the pan for about 2 minutes, just until they are safe to handle.
• Spoon about 2 teaspoons of warm frosting over each cake and let it drip naturally down the sides.
• Work quickly, because the frosting thickens as it cools.
• If it starts to firm up, warm it in the microwave for 5 to 10 seconds and stir.

10. Cool and Serve

• Let the frosted cakes rest in the pan for 10 minutes so the frosting can set into a soft fudge layer.
• Use a small offset spatula or butter knife to loosen each cake, then transfer them to a wire cooling rack.
• Bake and frost the second batch the same way if you are using one pan.

Another tip for frosting fans: the buttery chocolate texture here is similar to my Buttercream Frosting Recipe.

Tips for The Best Mini Coca Cola Cakes

These small details are what separate a good batch from a great one. I learned most of them the hard way, so you do not have to.

• Use regular Coca-Cola: Diet soda lacks the sugar the cake needs for sweetness and structure.
• Bring eggs and buttermilk to room temperature: Cold ingredients can cool the batter and make the texture uneven.
• Frost while the cakes are warm: The frosting soaks in slightly and forms that classic fudgy topping.
• Do not overfill the cups: Three-quarters full gives you a perfectly rounded top, and overfilled cups spill and stick.
• Expect bumpy tops: The marshmallows float and melt, which makes the surface uneven, similar to how they behave in my s’mores cupcakes.
• Watch the bake time: Start checking at 12 minutes, since every oven runs a little different.
• Chop the pecans finely: Smaller pieces stay on top of each mini cake instead of sliding off.

Serving Suggestions

These little cakes are rich enough to stand on their own, but a few simple pairings make them feel extra special.

Serve them at room temperature or slightly warm for the softest bite.

• Set them out on a dessert board next to fresh strawberries and whipped cream.
• Pack them into a cupcake carrier for potlucks, picnics, and bake sales.
• Serve with a cold glass of milk or a small bottle of ice-cold Coke.
• Add a scoop of vanilla ice cream on the side for a warm and cold contrast.
• Arrange them on a tiered tray for birthday parties and baby showers.
• Enjoy one with a hot cup of coffee for an afternoon treat.

You might also enjoy: Coca Cola Cake Recipe

Variations of Mini Coca Cola Cakes

Once you have the classic version down, it is easy to play with the flavors.

These swaps all work with the same method and bake time.

• Cherry Coca-Cola cakes: Swap in cherry cola for a subtle fruity note.
• Dr Pepper or root beer: Any regular soda works if you want a different flavor profile.
• Mexican Coke: Cane sugar cola gives a slightly cleaner caramel taste, and you can find Mexican Coke in most grocery stores.
• Nut-free: Skip the pecans and top the frosting with chocolate sprinkles.
• No marshmallows: Leave them out for a more traditional chocolate cake crumb.
• Mocha twist: Add 1/2 teaspoon of instant espresso powder to the frosting.
• Sheet cake version: Double the recipe and bake in a 9×13 inch pan at 350°F for 35 to 40 minutes.

The same fudgy method also works beautifully in red velvet cupcakes if you want another tender, buttermilk-based treat.

Storage and Reheating

These cakes keep really well, which makes them a great make-ahead dessert.

The frosting stays soft and fudgy, so store them gently so it does not smudge.

• Room temperature: Store in an airtight cake container for up to 2 days.
• Refrigerator: Keep in a covered container for up to 5 days, and let them sit out for 15 minutes before serving.
• Freezer: Freeze in a single layer until firm, then transfer to a freezer bag for up to 3 months.
• Thawing: Thaw overnight in the refrigerator, then bring to room temperature.
• Reheating: Microwave a single cake for 8 to 10 seconds to bring back that just-baked softness.

Read Also: Vanilla Bundt Cake

Nutritional Facts

The numbers below are approximate values for one frosted mini cake, based on a batch of 36.

Actual values will vary slightly depending on the brands you use and how much frosting you spoon on.

• Calories: about 125
• Total Fat: 7g
• Saturated Fat: 3g
• Carbohydrates: 16g
• Sugar: 13g
• Protein: 1g
• Sodium: 45mg

Keep in mind that this is a treat meant to be enjoyed in small portions, much like the best molten lava cake on my site.

Health Benefits of Key Ingredients

Nobody bakes a Coca-Cola cake for its health benefits, but a few of the ingredients do bring something to the table.

The mini size also helps with portion control, so you can enjoy a sweet bite without overdoing it.

• Cocoa powder: It contains flavanols, which are plant compounds linked to heart health.
• Pecans: They provide healthy unsaturated fats, a bit of fiber, and minerals like manganese.
• Eggs: They supply protein and choline, a nutrient that supports brain health.
• Buttermilk: It adds a small amount of calcium and protein to the batter.
• Portion size: Each mini cake is a small serving, so it is easier to satisfy a craving with just one.

Another favorite: Banana Nut Bread With Pecans

FAQs About Mini Coca Cola Cakes

1. Can I use Diet Coke or Coke Zero?

I do not recommend it, because the sugar in regular cola is part of the cake’s structure and flavor.

Diet sodas can also turn bitter when heated.

2. What can I use if I do not have buttermilk?

Stir 3/4 teaspoon of white vinegar or lemon juice into 1/4 cup of whole milk and let it sit for 5 minutes.

It will curdle slightly and work just like buttermilk.

3. Why are my mini cakes bumpy on top?

That is the marshmallows floating and melting as the cakes bake.

It is completely normal and the frosting covers it beautifully.

4. Can I make these ahead of time?

Yes, you can bake the cakes a day ahead and frost them while they are still slightly warm before serving.

Store them in an airtight container at room temperature so the frosting stays soft.

They pair nicely on a dessert tray with Snickers cupcakes if you are feeding a crowd.

5. Can I bake this in a regular muffin tin?

Yes, the same recipe makes about 12 standard-size cupcakes.

Bake them at 350°F for 18 to 22 minutes, and use a toothpick to check for doneness.

Conclusion

These Mini Coca Cola Cakes are everything I love about a Southern classic, shrunk down into a perfect little party bite.

They are fudgy, sweet, and full of nostalgia.

Give them a try the next time you need a crowd-pleaser, and watch how fast the tray empties.

If you bake a batch, leave a comment below and tell me how they turned out.

And if you share a photo with friends and family, I would love to hear who asked for the recipe first.

Recommended:

• Mint Chocolate Whoopie Pies Recipe
• Chocolate Fudge Pie Recipe
• Tres Leches Cake Recipe
• Dubai Chocolate Brownies
• Chocolate Cobbler Recipe