Mint Chocolate Cake Recipe
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If you adore the fresh burst of mint paired with rich, luscious chocolate, then you’re going to fall head over heels for this Mint Chocolate Cake! This delightful dessert combines moist, deeply chocolaty layers with creamy mint buttercream and a smooth chocolate frosting that’s simply irresistible. Finished with delicate mint curls that add a touch of whimsy, this cake is a celebration of flavor and texture—a perfect treat for gatherings, special occasions, or simply to brighten up your day with something sweet and refreshing.

Ingredients You’ll Need
Below is a carefully curated list of ingredients that work harmoniously to create this stunning Mint Chocolate Cake. Each component plays a vital role, lending moisture, richness, or a vibrant burst of minty freshness to the final masterpiece.
- All-purpose flour (1 3/4 cups): The backbone of the cake providing structure and tenderness when measured and sifted properly.
- Granulated sugar (2 cups): Sweetens and balances the bitterness of cocoa while helping with the cake’s moisture.
- Cocoa powder (3/4 cup): Delivers deep, intense chocolate flavor essential for that rich cake base.
- Baking soda (2 teaspoons) and baking powder (1 teaspoon): These leavening agents ensure the cake rises perfectly light and fluffy.
- Kosher salt (1 teaspoon): Enhances the sweetness and intensifies the chocolate flavors.
- Buttermilk (1 cup): Adds tang and moisture, creating a moist crumb that melts in your mouth.
- Vegetable oil (1/2 cup): Keeps the cake tender and moist without overpowering the flavor.
- Extra-large eggs (2): Essential for stability and richness in the cake batter.
- Vanilla extract (1 teaspoon): Rounds out the flavors and adds depth to the chocolate layers.
- Freshly brewed hot coffee (1 cup): Amplifies the chocolate’s richness without introducing a coffee flavor.
- Semisweet chocolate (6 ounces): The star of the chocolate buttercream for a silky, glossy finish.
- Unsalted butter (3 sticks total): Used in both frostings to create rich, creamy textures and balance sweetness.
- Confectioners’ sugar: Used separately in the chocolate and mint buttercream to give each frosting the perfect sweetness and structure.
- Instant coffee powder (1 tablespoon): Adds a subtle depth to the chocolate buttercream.
- Peppermint extract (1/4 teaspoon): Brings the refreshing mint flavor that defines this cake.
- Milk (2–4 tablespoons): Adjusts the consistency of the mint buttercream for easy spreading.
- Light green candy melts or a mix of green and white (2 cups): For creating elegant mint curls that crown the cake beautifully.
- Shortening (1 tablespoon): Helps smooth candy melts for perfect curls.
- Peppermint oil (1/4 teaspoon): Intensifies the mint flavor in the candy curls for a refreshing crunch.
How to Make Mint Chocolate Cake
Step 1: Prepare and Bake the Chocolate Cake Layers
Start by preheating your oven to 350°F and prepping two 8-inch cake pans with parchment and either butter and flour or nonstick spray. Mixing the dry ingredients until well combined ensures even distribution of flavors and leavening. Then, whisk together the wet ingredients—it’s amazing how buttermilk and coffee come together to enhance the chocolate depth. Carefully combine the wet and dry components and pour into your pans. Bake for about 35 to 40 minutes until a cake tester comes out clean. Cooling and leveling the cake layers afterwards makes for an elegant, even finish.
Step 2: Make the Chocolate Buttercream
This frosting is sheer indulgence. Melt the semisweet chocolate and allow it to cool while you beat the butter and vanilla until silky and fluffy. Adding sifted confectioners’ sugar slowly creates a luscious texture. Then dissolve instant coffee powder in hot water and blend it with the chocolate into the butter mixture. This frosting will coat and add a smooth, rich finish to your cake, bringing authentic chocolate lover’s joy.
Step 3: Craft the Mint Buttercream
The mint buttercream is where refreshing flavor meets creamy perfection. Cream softened butter and sugar together, then fold in peppermint extract and milk gradually until the right spreading consistency is achieved. This frosting adds a cool, refreshing contrast that transforms the cake from simply chocolatey to irresistibly mint-chocolate—absolutely essential for the Mint Chocolate Cake experience.
Step 4: Create the Mint Curls
Adding mint curls to your cake gives it a beautiful, whimsical touch. Carefully melt candy melts with shortening, stir in peppermint oil, then spread thinly on the back of a cookie sheet. Once it’s just firm enough—not too cold or warm—use a screwdriver at a 45-degree angle to create perfect curls. These decorative pieces add texture and extra minty flair when sprinkled atop the frosted cake.
Step 5: Assemble the Cake
Layer your cake by starting with the first chocolate layer, spreading a generous third of the mint buttercream over it. Repeat this layering until all four cake layers are stacked. Then cover the entire cake in the rich chocolate buttercream, smoothing as you go. The finishing touch is piping out dollops of the chocolate frosting with a large round tip and lightly sprinkling the mint curls over the top. Chill until you’re ready to wow your guests!
How to Serve Mint Chocolate Cake

Garnishes
While the mint curls on top make a fantastic garnish by themselves, consider adding a few fresh mint leaves and a light dusting of cocoa powder around the serving plate. This not only enhances the visual appeal but also hints at the flavors inside, inviting your guests to dive in. For a festive touch, a few tiny chocolate shavings or edible silver pearls can elevate the elegance.
Side Dishes
This Mint Chocolate Cake pairs beautifully with a scoop of vanilla bean ice cream or a dollop of lightly whipped cream to complement and mellow the rich chocolate and peppermint flavors. Fresh berries like raspberries or strawberries also balance the sweetness with subtle tartness. For a beverage, a cup of hot herbal tea or peppermint-infused coffee brings the entire indulgent experience together with warmth and comfort.
Creative Ways to Present
Transform your Mint Chocolate Cake into a showstopper by serving individual cake slices with a drizzle of chocolate sauce and a fresh mint sprig on each plate. Alternatively, turn the cake into cupcakes topped with a swirl of the mint buttercream and a mini mint curl for an adorable, shareable twist. Using a clear cake dome or glass cloche will also showcase those stunning mint curls while keeping the cake fresh and inviting.
Make Ahead and Storage
Storing Leftovers
After indulging, you’ll want to keep those leftovers tasting just as heavenly. Store the Mint Chocolate Cake in an airtight container in the refrigerator. It will stay moist and fresh for up to 4 days. Just be sure to let it come to room temperature before serving so the buttercreams regain their creamy softness.
Freezing
If you want to save the cake for a longer time, freezing is an excellent option. Wrap the cake tightly in plastic wrap, then in foil, and place it in an airtight container or freezer bag. The cake can be frozen for up to 2 months. When ready to enjoy, thaw the cake in the fridge overnight, then remove wrapping and let it warm to room temperature before serving.
Reheating
This Mint Chocolate Cake is best enjoyed chilled or at room temperature, so reheating isn’t necessary. If you prefer a softer texture, leave slices out on the counter for about 30 minutes. Avoid microwaving, as it can melt the frosting and change the cake’s texture too much.
FAQs
Can I use regular milk instead of buttermilk?
Yes, you can substitute regular milk by adding 1 tablespoon of lemon juice or white vinegar per cup of milk. Let it sit for 5 minutes before using to mimic buttermilk’s acidity and tenderness in the cake.
Is peppermint extract the same as peppermint oil?
Not exactly. Peppermint extract is alcohol-based and more mild, perfect for the mint buttercream, while peppermint oil is concentrated and stronger, which is why it’s used sparingly in the candy curls.
Can I make this cake gluten-free?
With the right gluten-free all-purpose flour blend that includes xanthan gum, you can swap in the flour and achieve a similar texture. Just be sure to check the rest of your ingredients for gluten as well.
How do I get perfect mint curls every time?
Temperature and timing are key. Spread the candy melts thin and let it set until just firm enough to hold a finger imprint without being sticky. A clean flat-head screwdriver pressed at a 45-degree angle and moved slowly creates the best curls.
What if I don’t have instant coffee powder?
You can omit it or replace it with a teaspoon of brewed espresso powder for the same richer chocolate flavor in the chocolate buttercream. This is totally optional but highly recommended for depth.
Final Thoughts
This Mint Chocolate Cake is such a joyful combination of flavors and textures that once you try it, it will quickly become one of your treasured favorites. Not only is it a showstopper for parties, but every bite is a cozy hug of freshness and chocolate that feels like the perfect cool-weather indulgence. I can’t wait for you to experience the magic of this Mint Chocolate Cake and share it with everyone you love!
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