The Best Chocolate Layer Cake | Ultra Moist and Rich

I originally published this recipe in 2020 and have since added new photos and a few more success tips.

My fast and foolproof chocolate layer cake recipe is a YouTube sensation, with over 3 million views and 39,000+ likes to date. It’s not hard to see why, this showstopper is made with basic ingredients and only 25 minutes of active prep. But, despite the simple method and relatively short ingredient list, it yields a fabulously fudgy, decadently dark slice of heaven every time.

Ingredients & Substitutions

• All-Purpose Flour – Also known as “plain flour” in the UK.
• Unsweetened Cocoa Powder – If possible, use Dutch-processed cocoa powder for the smoothest, richest chocolate flavor.
• Baking Soda & Baking Powder – You’ll need both leaveners to achieve perfectly fluffy cake layers.
• Granulated Sugar – Plain white sugar has a neutral flavor profile that allows the cocoa to shine.
• Large Eggs – If you’re using liquid eggs, aim for a scant ¼ cup per large egg.
• Buttermilk – The acidity of buttermilk adds a slight tang and helps achieve an impossibly tender crumb. If you don’t have any on hand, you can make a close substitute by mixing a tablespoon of acid (e.g. lemon juice or vinegar) with enough milk to top off a cup measure.
• Vegetable Oil – Any neutral-flavored oil (e.g. avocado, corn, canola, grapeseed) will do the trick.
• Coffee – Don’t fret if you’re not a fan of coffee. This just deepens and emphasizes the chocolate flavor rather than making your cake taste like a mocha. Feel free to use decaf or caffeine-free chicory “coffee” if needed.
• Vanilla Extract – You can use an equal amount of vanilla paste.
• Butter – If possible, reach for European-style butter, which has more fat than conventional. It’ll yield an exceptionally creamy frosting!
• Cream Cheese – Make sure you’re reaching for full-fat, block-style cream cheese. If you want something slightly lighter, Neufchatel cheese is a much better bet than low-fat cream cheese. 
• Powdered Sugar – This starchy sweetener ensures a velvety smooth, perfectly pipable chocolate cream cheese frosting. If you don’t have any on hand, you can make your own by blitzing a cup of granulated sugar with a tablespoon of cornstarch in a food processor.

This is just a short review of the ingredients; for the complete recipe, including quantities, scroll down to the recipe card 👇

Understanding the Different Types of Cocoa Powder

There are three main types of cocoa powder used in baking, and each affects flavor, color, and texture slightly differently.

• Natural Cocoa Powder – Light brown in color with a bright, slightly acidic chocolate flavor. It reacts with baking soda to help cakes rise and produces a softer, lighter crumb.
• Dutch-Process Cocoa Powder – Treated to neutralize acidity, resulting in a darker color and smoother, richer chocolate flavor. It creates a deeper-looking, more refined cake.
• Black Cocoa Powder – An ultra-Dutched cocoa powder with a very dark color and mild flavor. It’s best used in small amounts or blended with other cocoa powders, as using it alone can make cakes dry.

This chocolate cake recipe works well with either natural or Dutch-process cocoa powder, thanks to the buttermilk and baking powder in the batter.

Why Buttermilk Makes This Chocolate Cake Extra Moist

Buttermilk is one of the key ingredients in this chocolate cake, and I don’t recommend skipping it. Its natural acidity reacts with the baking soda to help the cake rise properly while also tenderizing the crumb, resulting in a noticeably softer, moister cake with a well-balanced chocolate flavor.

If you don’t have buttermilk on hand, you can make a quick homemade version by mixing 1 cup of milk with 1 tablespoon of lemon juice or white vinegar and letting it sit for 5 minutes. That said, real buttermilk delivers the most consistent, bakery-style results.

This is the same principle I use in many of my other successful, ultra-moist cake recipes, including my Red Velvet Cake, Vanilla Cake, and several celebration cakes on the blog, it’s a simple technique that makes a big difference.

How to Make Chocolate Cake From Scratch

Watch the full video recipe to learn how to make the BEST Chocolate Cake Recipe.

Prefer the written recipe? Scroll down to the recipe box 👇

Optional Variations & Dietary Adaptations

• Dairy-Free – Use a dairy-free milk (preferably soy) soured with 1 tablespoon lemon juice instead of buttermilk and replace the frosting ingredients with vegan butter + dairy-free cream cheese. 
• Mocha Cake – Add a teaspoon of instant espresso to the frosting for a coffee-infused flavor. Use chocolate covered espresso beans for decoration to double down!
• Chocolate Orange Cake – Add 1 tablespoon orange zest to the batter and ½ teaspoon of orange extract to the frosting. It’ll taste like the chocolate oranges they sell around Christmas!
• Salted Caramel Chocolate Cake – Spread a thin layer of salted caramel sauce between the cake layers before frosting. Drizzle more caramel on top and finish with flaky sea salt for a sweet-salty, show-stopping version.
• Chocolate Raspberry Layer Cake – Add a layer of raspberry jam between the cakes before frosting and add fresh raspberries as decoration. The tartness cuts through the rich chocolate in the best way.
• Mint Chocolate Cake – Replace the vanilla with ½ teaspoon peppermint extract in both the cake and frosting. Add crushed mint chocolates or Andes mints between the layers for a fun texture.
• Chocolate Peanut Butter Cake – Swap out the chocolate cream cheese frosting for a fluffy peanut butter buttercream and chewy chocolate ganache. Salty-sweet perfection!

Expert Tips & Tricks 

• Bloom the cocoa for deeper flavor. The hot coffee in this recipe isn’t just for moisture; it helps “bloom” the cocoa powder, unlocking richer, more intense chocolate flavor. Even if you don’t like coffee, don’t skip it; your cake won’t taste like coffee at all.
• Use room-temperature ingredients. Room-temperature eggs, buttermilk, butter, and cream cheese blend more smoothly. 
• Expect a thin batter—that’s a good sign. Oil-based chocolate cakes are meant to have a runny batter. It’s what makes them ultra-moist. Avoid the temptation to add more flour!
• Whisk, don’t overmix. Once you add the dry ingredients, mix just until combined. Overmixing develops gluten, which can make the cake tough instead of tender.
• Use high-quality cocoa powder. Since chocolate is the star, choose a cocoa powder you really love. Dutch-process will give a deeper, smoother flavor, while natural cocoa offers a brighter chocolate taste.
• Check for doneness early. Chocolate cakes dry out quickly if overbaked. Start checking a few minutes before the suggested bake time. A toothpick should come out with a few moist crumbs.
• Cool completely before frosting. Cream cheese frosting melts easily. Make sure the cake layers are fully cool (or even slightly chilled) before assembling to get clean, smooth layers.
• For cleaner slices, chill before cutting. Refrigerating the cake for 20-30 minutes firms the frosting and gives you perfect slices.

How to Serve Moist Chocolate Cake

For the best texture, slice the cake cold but serve it at room temperature, allowing the crumb to soften and the cream cheese frosting to become creamy and smooth.

This chocolate cake is delicious on its own, but you can dress it up with fresh berries, a sprinkle of flaky sea salt, or a drizzle of chocolate or caramel sauce. For an extra-indulgent treat, serve it with a scoop of vanilla or salted caramel ice cream.

If you’re serving it as a dessert with a drink, it pairs beautifully with my dalgona coffee, a refreshing strawberry iced tea or simply a glass of cold milk.

How to Store Chocolate Cake

• Refrigerator: Store the assembled cake in an airtight container in the refrigerator for 4-5 days, since the cream cheese frosting needs to stay chilled. For the best texture, let slices sit at room temperature for about 15-20 minutes before serving. This helps the frosting soften and the cake regain its rich, tender crumb.
• Freezer: Frosted chocolate layer cake can also be frozen. Chill the cake until the frosting firms up, then wrap slices (or the whole cake) tightly in plastic wrap and foil. Freeze for up to 1 month. Thaw in the refrigerator, then let it come to room temperature before serving for the best texture and flavor.
• Make-Ahead Tip: If you’re prepping ahead, you can bake the cake layers in advance. Wrap each cooled layer tightly in plastic wrap and store them at room temperature for up to 1 day or refrigerate for up to 4 days. They also freeze beautifully: wrap each layer in plastic wrap, then a layer of foil, and freeze for up to 3 months. Thaw overnight in the fridge before frosting.

FAQs

More Chocolate Dessert Recipes

• No-Bake Chocolate Cheesecake
• The Best Chocolate Babka
• Chocolate Crinkle Cookies
• Easy Flourless Chocolate Cake
• Chocolate Banana Bread

More Celebration Cake Recipes

• The Best Vanilla Cake Recipe
• Red Velvet Cake
• Chocolate Birthday Cake
• Tiramisu
• Black Forest Cake