Hot Chocolate Layer Cake

Hot Chocolate Layer Cake is a wonderfully moist chocolate cake with hot chocolate flavors laced throughout. This is a delicious recipe!

Some cakes are good. Some cakes are great. And then there’s this cake! It’s one that makes people put down their forks, go quiet for a second, and just stare at their plate. That’s the Hot Chocolate Layer Cake, and it has been earning that reaction for years.

Three towering layers of deeply moist chocolate cake, built on a base of melted butter, bittersweet chocolate, and cocoa powder — essentially a pot of hot chocolate that you fold directly into your batter. The result is a richness and depth that a standard chocolate layer cake simply cannot touch. We’re talking the kind of dessert that earns you a reputation. The kind people text you about the next day.

Why This Cake Works

Most chocolate cakes rely on cocoa powder alone for their chocolate flavor. This one goes further. The secret is starting with a hot chocolate base: melted butter, canola oil, chopped bittersweet chocolate, and water, all combined in a saucepan before anything else. That warm, glossy mixture gets poured directly into your dry ingredients, and from that moment on, you know you’re making something special.

The combination of butter and oil is also doing a lot of work here. Butter brings flavor, oil brings moisture, and together they produce a crumb that stays tender and soft for days. Buttermilk adds a subtle tang that balances all that richness, and two full tablespoons of vanilla tie everything together. This isn’t a one-note chocolate cake. It has complexity. It has layers, literally and figuratively.

Tips for the Best Chocolate Layer Cake

Room temperature ingredients matter. Cold eggs and cold buttermilk can cause the batter to seize up when they hit the warm chocolate mixture. Pull them out of the fridge at least 30 minutes before you start.

Don’t skip the stagger. When baking three layers at once, no pan should sit directly above another. Staggering them on two racks ensures even airflow and even baking.

Make it ahead. The cake layers can be baked a day in advance. Wrap them tightly in plastic wrap once cooled and store at room temperature overnight. The frosting can also be made ahead, refrigerated, and then re-whipped when you’re ready to assemble.

No buttermilk? Stir a tablespoon of white vinegar or lemon juice into 3/4 cup of whole milk, wait 5 minutes, and you’ve got a perfect substitute.

I hope you love this one! Enjoy!

Rachel Conners

Hot Chocolate Layer Cake

No ratings yet

Print Recipe Pin Recipe

Prep Time: 10 minutes mins

Cook Time: 40 minutes mins

Total Time: 50 minutes mins

Ingredients

 

For the cake

• ▢ 3/4 cup (6 oz) unsalted butter, plus extra to grease the pans
• ▢ 3 cups (13.5 oz) unbleached all-purpose flour, I recommend weighing it
• ▢ 3/4 cup canola oil
• ▢ 4.5 ounces bittersweet chocolate, finely chopped
• ▢ 3 cups granulated sugar
• ▢ 3/4 cup (2.25 oz) natural unsweetened cocoa powder
• ▢ 3 large eggs, at room temperature
• ▢ 3/4 cup buttermilk, at room temperature (use milk with a splash of vinegar or lemon juice if you don’t have buttermilk)
• ▢ 2 tablespoons pure vanilla extract
• ▢ 2.5 teaspoons baking soda
• ▢ 1/2 teaspoon kosher salt

Chocolate Frosting

• ▢ 1 1/2 cups butter, softened
• ▢ 6 1/2 cups confectioners’ sugar, more if needed
• ▢ 2 cups cocoa powder
• ▢ 3/4 teaspoon vanilla extract
• ▢ 3/4 cup milk

Instructions

 

For the cake

• Position racks in the bottom and top thirds of the oven and heat the oven to 350°F. Butter three 9×2-inch round cake pans and line each with a parchment round. Butter the parchment, then dust with flour and knock out the excess.
• In a large, heavy saucepan, combine the butter, oil, chopped chocolate, and 1 cup water. Heat over medium heat until melted and fully combined.
  3/4 cup (6 oz) unsalted butter, 3/4 cup canola oil, 4.5 ounces bittersweet chocolate
• In a large bowl, whisk the flour, sugar, and cocoa powder. Pour the hot chocolate mixture into the sugar mixture and whisk until combined.
  3 cups (13.5 oz) unbleached all-purpose flour, 3 cups granulated sugar, 3/4 cup (2.25 oz) natural unsweetened cocoa powder
• Whisk in the eggs, one at a time (making sure to keep whisking – you don’t want the eggs to scramble), then whisk in the buttermilk, vanilla, baking soda, and salt. Divide the batter evenly among the prepared pans.
  3 large eggs, 3/4 cup buttermilk, 2 tablespoons pure vanilla extract, 2.5 teaspoons baking soda, 1/2 teaspoon kosher salt
• Set two pans on the top rack and the third on the lower rack. Stagger the pans on the oven racks so that no pan is directly over another. Bake, swapping and rotating the pans’ positions after 20 minutes, until a toothpick inserted in the center of each cake comes out clean, 35 to 40 minutes. Cool on racks for 10 minutes. Invert the cakes onto the racks, remove the parchment, and cool completely.

For the frosting

• In a large bowl using a hand mixer, or in a stand mixer fitted with the paddle attachment, beat the softened butter on medium-high speed for 3–4 minutes until very pale and fluffy. Scrape down the sides.
  1 1/2 cups butter
• Add the sifted cocoa powder and mix on low until mostly incorporated, then increase to medium and beat for 1 minute. Add the vanilla and mix to combine. With the mixer on low, add the sifted confectioners' sugar one cup at a time, beating after each addition.
  6 1/2 cups confectioners’ sugar, 2 cups cocoa powder, 3/4 teaspoon vanilla extract
• Add the milk a few tablespoons at a time, mixing after each addition, until the frosting is smooth, silky, and easily spreadable. If it looks too stiff, add a splash more milk. If it's too loose, add a bit more powdered sugar. Increase to medium-high speed and beat for a final 2 minutes until light and fluffy.
  3/4 cup milk

Assembly

• Place one cake layer on your serving plate or cake board, flat side down. Scoop about ¾ cup of frosting onto the center and spread it in an even layer to the edges with an offset spatula. Place the second layer on top, flat side down, and repeat with another ¾ cup of frosting. Add the third and final layer flat side up — this gives you a flat, level top. Spread a thin layer of frosting all over the outside of the cake; this is your crumb coat. Refrigerate for 15–20 minutes until the crumb coat is set.
• Apply the remaining frosting to the top and sides of the cake, smoothing with an offset spatula or a bench scraper for clean edges, or swirling for a more rustic finish. Slice and serve at room temperature. Store any leftovers loosely covered at room temperature for up to 3 days, or refrigerate for up to 5 days — bring to room temperature before serving for the best texture.

Notes

No buttermilk? Add 1 tablespoon of white vinegar or lemon juice to ¾ cup whole milk, stir, and let sit for 5 minutes before using.

Make ahead: The cake layers can be baked a day in advance. Once fully cooled, wrap each layer tightly in plastic wrap and store at room temperature overnight. The frosting can also be made ahead and refrigerated — let it come to room temperature and re-whip briefly before using.

Crumb-coating tip: Don’t skip the crumb-coating step. That thin first layer of frosting seals in any loose crumbs so your final coat stays clean and smooth.

Adapted from Fine Dining Magazine

Did you make this recipe?Please consider Leaving a star rating and review!