Mint Chocolate Cake

filed under: Chocolate Cakes on December 3, 2018

This Mint Chocolate Cake is four amazing layers of dark chocolate cake with a delicate mint buttercream in between each layer. The cake is covered in chocolate buttercream and topped off with a mint green chocolate curl. Minty perfection!

Are you baking as much as I am? Don’t miss out on these amazing recipes for your get-togethers: Snickerdoodles, Sugar Cookie Recipe, and of course 50 Best Cake Recipes!!

Mint Chocolate Cake

Mint Chocolate Cake

I have to tell you if you are a mint fan, this is the cake for you. The flavors work together so beautifully… decadent rich chocolate with a subtle minty buttercream. It’s one of the dreamiest cakes I have ever made! I would recommend making one of my homemade Buttermilk recipes to use for this recipe.

Peppermint Chocolate Cake

Mint Chocolate Cake Recipe

There are four parts to this recipe–the chocolate cake, chocolate buttercream, mint buttercream, and the mint curls.

Chocolate Cake Ingredients (full recipe below)

  • All-purpose flour
  • Granulated sugar
  • Cocoa powder
  • Baking soda
  • Baking powder
  • Kosher salt
  • Buttermilk
  • Vegetable oil
  • Eggs
  • Vanilla extract
  • Freshly brewed hot coffee

Chocolate Buttercream

  • Semisweet chocolate
  • Unsalted butter
  • Vanilla extract
  • Confectioners’ sugar
  • Instant coffee powder

Mint Buttercream

  • Confectioners’ sugar
  • Butter
  • Salt
  • Peppermint extract
  • Milk

Mint Curls

  • Light green candy melts
  • Shortening
  • Peppermint oil
Mint Chocolate Cake Recipe

How to Make Chocolate Cake

This recipe starts with a moist and flavorful chocolate cake. To make the cake, prepare two 8-inch round cake pans. In the bowl of a stand mixer fitted with a paddle attachment, sift the flour, sugar, cocoa powder, baking soda, baking powder, and salt. Mix on low until fully combined.

In a separate bowl, whisk together the buttermilk (or homemade buttermilk), vegetable oil, eggs, and vanilla. With the mixer on low, slowly add these wet ingredients to the dry ingredients. Continue to mix on low and add the coffee until just combined. Scrape the bowl with a rubber spatula.

Pour the batter into the two prepared cake pans and bake for 35-40 minutes. Let the cakes cool in the pans, and then turn them out onto a cooling rack to cool completely. Finally, level each layer of cake and cut each layer in half so you have four layers of cake. Chill the cakes until ready to assemble.

Chocolate Buttercream

The Chocolate Buttercream is so glorious it may ruin you for all other frostings! It practically melts in your mouth. Using good quality chocolate is important for this recipe!
 
Please note: I have updated this buttercream recipe to eliminate adding the raw egg. It’s still just as delicious and the perfect frosting to the chocolate cake!

Mint Buttercream and Curls

To make the mint buttercream, simply cream together the sugar and butter using a stand mixer. Blend in the peppermint extract, 2 tablespoons of the milk, and salt. Gradually stir in the remaining 2 tablespoons of milk and mix until your desired consistency is reached.

Let’s talk a little bit about those curls. It can take a few times to get it right, so I recommend practicing. Or at least buy double what you need so you don’t have to worry about not getting the “perfect” curl every time! I have a post about “How to Make Chocolate Curls” if you want to see a quick video.

How to Make Mint Chocolate Cake

Assembling the Mint Chocolate Cake

With all the parts ready to go, it’s time to get the cake assembled. 

  1. Place the first layer of the cake on a cake stand or cake plate.
  2. Spread 1/3 of the mint buttercream over the cake.
  3. Repeat this with the remaining layers of chocolate cake and mint buttercream.
  4. Cover the cake with the chocolate buttercream, smoothing out the surface and sides of the cake as much as possible.
  5. Place the remaining chocolate buttercream into a piping bag fitted with a large, open round tip.
  6. Pipe out dollops of frosting around the top of the cake.
  7. Sprinkle the mint curls over top.
  8. Chill the cake until ready to serve.
This cake is SO moist and so flavorful, you are going to want to make it again and again. I had a hard time getting the piece to stand up it was so soft! But that’s a good problem to have with cake. 😉
 
If you have any questions on how to bake a level cake you can go here. Maybe you want some tips on how to build a layer cake? Or frost a cake? Or, you may want some High Altitude Baking Tips if you are baking at a higher altitude. Check those links out!

Looking for More Cake Recipes?

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4.75 from 4 votes
The flavor is to die for!
Mint Chocolate Cake
Prep Time
1 hr
Cook Time
35 mins
Total Time
1 hr 35 mins
 

One of my favorite things about cooler temperatures is all things mint (or peppermint). We add that glorious flavoring to hot cocoa, to brownies, to cookies, and most definitely to cakes! 

Course: Dessert
Cuisine: American
Keyword: cake, chocolate cake, mint chocolate cake
Servings: 12 slices
Calories: 874 kcal
Author: Amanda Rettke--iambaker.net
Ingredients
Chocolate Cake
  • 1 3/4 cups (219g) all-purpose flour, plus more for pans
  • 2 cups (400g) granulated sugar
  • 3/4 cup (88.5g) cocoa powder
  • 2 teaspoons baking soda
  • 1 teaspoon baking powder
  • 1 teaspoon kosher salt
  • 1 cup buttermilk, room temperature
  • 1/2 cup vegetable oil
  • 2 extra-large eggs room temperature
  • 1 teaspoon vanilla extract
  • 1 cup freshly brewed hot coffee
Chocolate Buttercream
  • 6 ounces semisweet chocolate
  • 1 cup (2 sticks, 226 grams) unsalted butter, room temperature
  • 1 teaspoon vanilla extract
  • 1 1/4 cups confectioners' sugar, sifted
  • 1 tablespoon instant coffee powder
Mint Buttercream
  • 2 cups (250g) confectioners' sugar
  • 1/4 cup (1/2 stick or 56g) butter, softened
  • 1/8 teaspoon salt
  • 1/4 teaspoon peppermint extract (or less depending on preference)
  • 2-4 tablespoons milk
Mint Curls
  • 2 cups light green candy melts, or 1 cup green + 1 cup white
  • 1 tablespoon shortening
  • 1/4 teaspoon peppermint oil
Instructions
Chocolate Cake
  1. Preheat the oven to 350°F. Prepare two 8-inch round cake pans. (Line with parchment paper, then butter and flour the pans, or spray with nonstick baking spray.)

  2. Sift the flour, sugar, cocoa, baking soda, baking powder and salt into the bowl of a stand mixer fitted with a paddle attachment and mix on low speed until combined.

  3. In another bowl, whisk together the buttermilk, oil, eggs, and vanilla. With the mixer on low speed, slowly add the wet ingredients to the dry. With mixer still on low, add the coffee and stir just to combine, scraping the bottom of the bowl with a rubber spatula.

  4. Pour the batter into the prepared pans and bake for 35 to 40 minutes, until a cake tester comes out clean.
  5. Cool in the pans for 30 minutes, then turn them out onto a cooling rack and cool completely.
  6. When cakes are completely cool, level each layer of chocolate cake and then cut each layer in half. You should now have four layers of cake. Chill until ready to assemble.

Chocolate Buttercream
  1. Chop the chocolate and place it in a heatproof bowl set over a pan of simmering water. Stir until just melted and set aside until cooled to room temperature.

  2. In the bowl of a stand mixer fitted with a paddle attachment, beat the butter and vanilla on medium-high speed until light yellow and fluffy, about 3 minutes.

  3. Turn the mixer to low, gradually add the confectioners' sugar, then beat at medium speed, scraping down the bowl as necessary, until smooth and creamy. Dissolve the coffee powder in 2 teaspoons of the hottest tap water. On low speed, add the chocolate and coffee to the butter mixture and mix until blended.

  4. *Don’t whip! Set aside until ready to assemble cake.
Mint Buttercream
  1. In the bowl of stand mixer, cream sugar with 1/2 cup butter.
  2. Blend peppermint extract, 2 tablespoons milk, and salt. Gradually stir remaining milk into frosting until desired spreading consistency is reached.

Mint Curls
  1. Melt the candy melts and the shortening in a large microwave-safe bowl for 1-minute increments, then in 15-second increments, stirring after each heating.

  2. When candy is melted, add peppermint oil and stir until incorporated.
  3. Take out a large, flat and clean cookie sheet and flip it over. We will use the back.
  4. Pour half of the melted mixture over the cookie sheet and spread out with an offset spatula. This is important, as you want the layer to be as even and level as possible. Thin is good, but not translucent.

  5. Place it into the fridge to set for 1 to 2 minutes. You can also leave it on the counter for about 10 minutes. The mixture needs to be at the perfect temperature for curls to form. If it’s too cold, they will just break. If it’s too warm, they will just be blobs. Press your finger into the mixture. If it leaves a mark, the mixture is too soft.

  6. Using a flat head screwdriver (clean!), press the screwdriver into the mixture at a 45-degree angle and then move forward slowly. Curls should form. Immediately place curls on a cooled plate or in the refrigerator so that they hold their shape. Chill until ready to assemble cake.

When Ready To Assemble
  1. Place first layer of chocolate cake on cake stand or cake plate. Spread 1/3 of mint buttercream over cake.
  2. Repeat this with remaining chocolate cake and mint buttercream.
  3. Cover cake with chocolate buttercream. Try to smooth out surface and sides of cake as much as possible.
  4. Place remaining chocolate buttercream into a piping bag fitted with a large, open round tip (such as a 2A tip).

  5. Pipe out dollops of frosting around the top of the cake. Sprinkle mint curls over top. Chill cake until ready to serve.

Recipe Video

If you love mint here are some other great recipes:
 

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Comments

  • Annoyed says:

    Please confirm your measurements for the icing. A half a cup of butter to 4 cups sugar?

  • Judy Pichon says:

    I used 2 sticks of butter in the mint Buttercream. I think there’s a mistake in the recipe.

  • Nicci Judd says:

    C =cups does it??

  • Bethany says:

    Worst recipe ever. Followed it to a tee and cake all over the bottom of my oven!

  • Online Dubai Cake Delivery says:

    Love it 🙂 Amazing

  • Tina says:

    You say this is a four layer cake, yet in the directions it reads to grease 2 cake pans…?

  • Cheryl says:

    This cake looks amazing as I love mint. Too me this should bring the mint taste right home. I am making this, this weekend! If the family is lucky I might leave a taste for them.

  • Carla says:

    Thanks for the recipe!

  • Angie says:

    I am amazed at the remarks/questions. This is by far the best chocolate cake I’ve ever made…and for that matter, ever tasted. I am no novice cook…have many years baking experience and I’m here to tell you this recipe is spot on. This will be my go-to recipe for any chocolate cake in the future. Make it exactly as it’s written. If you’re concerned about a raw egg yolk, then buy pasteurized eggs (or Google search how to pasteurize at home). Cake all over your oven?…you used the wrong size pan or measured something wrong. Four layer cake from two pans?…read the instructions…you split the layers. One stick of butter to 4 c. powdered sugar?…yes, and then add the milk to thin (or cream, even better). It’s just for the filling. Geez people…SMH…

  • Eve says:

    Not bad. I made it today and it is pretty good. I was surprised by how moist the cake actually was! It was very soft and creamy and really good.

    I made the chocolate buttermilk cream, but I omitted the raw egg yolk because I really don’t like the idea of eating raw egg.

    What I did was mix up all of the ingredients mix them with the mixer until combined (they were still pretty soupy at this point) and then put the bowl in the fridge until it hardened a bit. I think it was about 30 min. Then I mixed with the mixer until it was a bit fluffy and voila you get a thick and creamy chocolate buttermilk cream sans egg yolk. Hope this can help someone.

    So yeah not a bad recipe. Worth a try for anyone who wants to attempt to make it. Can probably tweak a few more things in the recipe to make it more to your liking as well; I know I will.

    (It’s also worth mentioning that I’m not a baking expert or anything, just a gal who wants to eat chocolate cake lol).

    • Amanda Rettke says:

      Hi Eve! I hadn’t made this cake in 2 years and was surprised to see your comment. And very grateful! Thank you for the awesome feedback. I have updated the recipe to NOT include the egg yolk, that was definitely not a necessary ingredient. And thank you for your tips. 🙂

  • Tom h. says:

    I’m concerned about the coffee. I don’t want it to taste like that.

  • Mary says:

    Made this today, was really good and super moist!I am curious on the butter measurement for mint butter cream, I’m assuming it’s supposed to be 1/2 cup like it states in the instructions instead in 1/4 cup (1/2 stick). Very rich flavor.