There’s something universally comforting about a slice of chocolate cake—rich, soft, and decadently moist. When it comes with the added ease of using just one bowl and minimal cleanup, it becomes an absolute favorite for home bakers and busy families alike. This easy one-bowl chocolate cake recipe has gained a loyal following for its simplicity and crowd-pleasing taste. Whether you’re baking for a birthday, a casual dinner, or just to satisfy a craving, this cake delivers every single time. With just a handful of pantry staples and one bowl, you’ll have a delicious chocolate cake that tastes like you spent hours making it—but only took minutes to mix and throw in the oven. It’s the kind of go-to dessert that everyone from beginners to seasoned bakers should have in their repertoire.
The History of Chocolate Cake
The origins of chocolate cake trace back to the late 18th century when chocolate was first introduced as an ingredient for baking in Western kitchens. Initially consumed primarily as a beverage, chocolate made its way into cakes once cocoa powder became more commercially available. In 1764, Dr. James Baker discovered how to make chocolate by grinding cocoa beans between two massive circular millstones. From there, chocolate transitioned from a luxury to a staple in many households, especially in the form of cake. The earliest chocolate cake recipes were quite different from today’s rich, fluffy versions, but over time, advancements in baking powder and refined cocoa led to the moist, tender crumb we now associate with chocolate cake. By the mid-20th century, chocolate cake had taken on new forms, with boxed cake mixes simplifying the process for home cooks. The one-bowl cake rose in popularity due to the need for efficient recipes that didn’t sacrifice flavor. It became especially loved during the Great Depression and wartime years when resourcefulness was a necessity. Today, it remains a cherished classic for its reliability, taste, and ease.
Ingredients Breakdown
Each ingredient in this recipe is carefully chosen to maximize flavor and texture with minimal effort. All-purpose flour forms the base structure of the cake, giving it a tender yet stable crumb. Unsweetened cocoa powder adds rich, deep chocolate flavor—Dutch-processed or natural cocoa may be used depending on preference, but natural cocoa tends to react better with baking soda. Baking powder and baking soda work together to create a light, airy texture by helping the batter rise. Salt enhances the overall flavor and balances the sweetness. Granulated sugar sweetens the cake and helps retain moisture. Eggs act as a binder and provide richness. Oil, rather than butter, is used for its ability to create a super moist texture and ease of mixing—it stays soft even when refrigerated. Buttermilk adds tanginess and reacts with the leavening agents to make the cake fluffier. Vanilla extract boosts the flavor complexity, rounding out the chocolate notes. Hot coffee is often used instead of water as it enhances the chocolate flavor, though hot water can be substituted.
Step-by-Step Recipe
Start by preheating your oven to 350°F (175°C). Grease a 9×13-inch baking dish or two 8-inch round pans and dust them with cocoa powder, or line with parchment paper. In a large mixing bowl, combine the dry ingredients: 2 cups all-purpose flour, 2 cups sugar, 1 cup unsweetened cocoa powder, 1½ teaspoons baking powder, 1½ teaspoons baking soda, and ½ teaspoon salt. Whisk until well blended. Add the wet ingredients directly into the same bowl: 2 large eggs, 1 cup buttermilk, ½ cup vegetable oil, and 1 tablespoon vanilla extract. Mix until just combined using a hand mixer or whisk—don’t overmix. Carefully pour in 1 cup of hot coffee or water and stir slowly until fully incorporated. The batter will be thin, which is expected and ensures a moist cake. Pour the batter into the prepared pan and bake for 30–35 minutes (for a 9×13 pan) or 35–40 minutes (for two 8-inch rounds), or until a toothpick inserted into the center comes out clean. Let the cake cool in the pan for 10–15 minutes before transferring to a wire rack to cool completely. Frost with your favorite frosting or enjoy plain.
Tips for the Perfect Cake
Use room temperature eggs and buttermilk to help the batter mix more evenly and rise properly. Sift the cocoa powder and flour to eliminate lumps and ensure a smoother batter. Don’t skip the coffee—it won’t make the cake taste like coffee, but it will intensify the chocolate flavor beautifully. Do not overmix the batter; once the wet and dry ingredients are combined, stop mixing to avoid a dense or tough texture. Always preheat your oven and use an oven thermometer if possible to ensure accurate baking. Grease and line your pans thoroughly to prevent sticking. Allow the cake to cool fully before frosting to avoid melting the icing.
Variations and Customizations
This recipe is highly adaptable. For a gluten-free version, substitute the flour with a gluten-free baking blend. For dairy-free, use a plant-based milk mixed with 1 tablespoon of vinegar or lemon juice in place of buttermilk, and replace the eggs with flax eggs or a commercial egg replacer. You can also use applesauce or mashed bananas in place of oil for a lower-fat option. Add-ins like chocolate chips, chopped nuts, or swirls of peanut butter or raspberry jam can create interesting flavor twists. Want to turn it into cupcakes? Simply pour the batter into lined muffin tins and reduce the baking time to 18–22 minutes. For a layered celebration cake, double the recipe and frost with rich ganache or cream cheese frosting.
Health Considerations and Nutritional Value
While chocolate cake isn’t exactly a health food, there are a few things to consider nutritionally. A typical slice contains approximately 300–400 calories, depending on the size and frosting used. It is high in carbohydrates and sugar, but can be made slightly healthier by reducing the sugar by ¼ cup, using whole wheat pastry flour for added fiber, or substituting half of the oil with unsweetened applesauce. Cocoa powder contains antioxidants like flavonoids, which have been shown to have some heart-health benefits. You can also experiment with lower-sugar frostings or simply dust the finished cake with powdered sugar or cocoa for a lighter option. Portion control is key—this cake is indulgent, but with mindful tweaks, it can fit into a balanced diet.
FAQ
Q: Can I make this cake ahead of time? Yes, this cake stays moist for several days. Store it tightly wrapped at room temperature for up to 3 days, or in the refrigerator for up to 5 days.
Q: Can I freeze the cake? Absolutely. You can freeze the unfrosted cake layers for up to 2 months. Just wrap them well in plastic wrap and aluminum foil. Thaw at room temperature before frosting.
Q: Can I use a different size pan? Yes, this recipe is very flexible. It works in a 9×13-inch pan, two 8-inch or 9-inch rounds, or even as cupcakes. Just adjust the baking time accordingly.
Q: What if I don’t have buttermilk? Mix 1 cup of milk with 1 tablespoon of lemon juice or vinegar and let it sit for 5 minutes. This homemade version works well in this recipe.
Q: Does the cake taste like coffee? No, the coffee enhances the chocolate flavor but does not make the cake taste like coffee. If you’re sensitive to caffeine, use hot water instead.
Q: Can I make it without eggs? Yes, substitute each egg with a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water) or use a commercial egg replacer.

“Easy One-Bowl Chocolate Cake Recipe Everyone Loves”
Ingredients
- 2 cups granulated white sugar
- 1¾ cups all-purpose flour
- ¾ cup unsweetened cocoa powder
- 1½ teaspoons baking powder
- 1½ teaspoons baking soda
- 1 teaspoon salt
- 2 large eggs
- 1 cup milk
- ½ cup vegetable oil
- 2 teaspoons vanilla extract
- 1 cup boiling water
Instructions
- Begin by gathering all your ingredients. Preheat the oven to 350°F (175°C). Grease and flour two 9-inch round cake pans and set them aside.
- In a large mixing bowl, combine the sugar, flour, cocoa powder, baking powder, baking soda, and salt. Stir until the dry ingredients are well blended.
- Add in the eggs, milk, vegetable oil, and vanilla extract. Using an electric mixer, beat the mixture on medium speed for about 2 minutes, or until the batter is smooth.
- Slowly stir in the boiling water. The batter will be thin at this stage—this is normal and helps create a moist cake.
- Divide the batter evenly between the two prepared cake pans.
- Place the pans in the preheated oven and bake for 30 to 35 minutes, or until a toothpick inserted into the center of the cakes comes out clean.
- Remove the cakes from the oven and let them cool in the pans for 10 minutes. Then, carefully transfer them to a wire rack to cool completely.