One Bowl Chocolate Cake delivers big chocolate flavor with minimal effort. Everything mixes in one bowl, bakes up soft and tender, and gets finished with a pourable chocolate frosting while the cake is still warm.
This One Bowl Chocolate Cake Works Every Time
This One Bowl Chocolate Cake has lived in my kitchen for years because it’s the cake I make when I don’t feel like doing much but have a crazy craving for something very chocolatey. No mixer, no separating eggs, no step that asks you to “cream butter until fluffy” and hope for the best. You grab a bowl, a whisk, and everything goes in right there, one after the other.
The batter is thin. Like really thin. Especially once the hot coffee goes in. It looks wrong enough that the first time you make it, you’ll pause and reread the recipe just to make sure. Then it bakes up soft, rich, and deeply chocolatey every single time. While it’s still warm, you pour on warm chocolate frosting, spread it out, and give it a few minutes to settle before someone cuts into it anyway. This is not a wait until later cake. It never has been.
Why You’ll Love This One Bowl Chocolate Cake
- Everything mixes in one bowl. No stand mixer, no extra dishes, and no unnecessary steps getting in the way of chocolate cake.
- It’s deeply chocolatey without being heavy. The cocoa and hot coffee give it real flavor, not just sweetness.
- The batter is thin but bakes up soft and tender every time. It’s reliable, even if you’re not in the mood to be precise.
- That warm frosting goes straight onto the warm cake. It spreads easily, sets just enough, and sinks into the top in the best way.
- It’s the kind of cake people cut before it’s fully cooled. Not because they’re impatient. Because it’s impossible to wait.
Key Ingredients and Tips
- Cocoa powder: Use unsweetened cocoa powder here. This cake gets its depth from cocoa and coffee, not sugar.
- Hot coffee or hot water: Coffee deepens the chocolate flavor without making the cake taste like coffee. Hot water works if that’s what you have.
- Oil instead of butter: Oil keeps the cake soft and moist for days. This is not a dry, crumbly chocolate cake.
- Thin batter is normal: Once the hot liquid goes in, the batter will look almost like soup. That’s exactly what you want.
- Frost the cake while it’s warm: Pour the frosting on while the cake is still warm so it spreads easily and sinks slightly into the top.
- Don’t overbake: Check it at the 35 minute mark. You want a clean toothpick, not a dry cake.
Serving Suggestions
This One Bowl Chocolate Cake doesn’t need much from you, here’s how I like to serve it.
- Serve it slightly warm if you can. The frosting stays soft and the cake feels extra rich.
- Cut it into smaller pieces for gatherings. It’s a rich cake and a little goes a long way, at least at first.
- Keep it in the fridge if you like firmer slices. Cold cake, cold frosting, still very good.
- Bring it to a potluck or family gathering. It travels well and doesn’t need any last minute fussing.
- Serve it with coffee or a glass of milk. Nothing fancy, just the right pairing.
Frequently Asked Questions
Yes. This cake keeps really well. You can make it a day ahead and store it covered at room temperature or in the fridge.
No. The coffee just deepens the chocolate flavor. You won’t taste coffee in the finished cake.
Yes. Hot water works just fine if you don’t have coffee on hand.
Yes. You can freeze the cake, frosted or unfrosted. Wrap it well and thaw at room temperature.
ssert.
A 9×13-inch pan works best. It bakes evenly and gives you the right cake-to-frosting ratio.
Cover the cake tightly. It keeps well at room temperature for a day or two, or longer in the fridge.
Try These Recipes Next
- Cinnamon Roll Muffins
- Lunch Lady Bars
- Chocolate Cobbler
- Coconut Cream Pie Bars
- Chocolate Swiss Roll Cake
One Bowl Chocolate Cake
Ingredients
For the Cake
- 2½ cups all-purpose flour
- 2 cups granulated sugar
- ¾ cup unsweetened cocoa powder
- 2 teaspoons baking soda
- 1 teaspoon baking powder
- ½ teaspoon salt
- 3 large eggs
- 1¼ cups milk
- ¾ cup vegetable oil
- 2 teaspoons vanilla extract
- 1¼ cups hot coffee, or hot water
For the Chocolate Frosting
- ½ cup unsalted butter
- 6 tablespoons milk
- 4 tablespoons unsweetened cocoa powder
- 3¾ cups powdered sugar
- 1 teaspoon vanilla extract
- ¼ teaspoon salt
Instructions
- Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking pan.
- In a large bowl, whisk together 2½ cups of flour, 2 cups of sugar, ¾ cup of cocoa powder, 2 teaspoons of baking soda, 1 teaspoon of baking powder, and ½ teaspoon of salt.
- Add 3 eggs, 1¼ cups of milk, ¾ cup of oil, and 2 teaspoons of vanilla extract. Whisk until smooth.
- Slowly pour in 1¼ cups of hot coffee, whisking constantly. The batter will be very thin, that’s exactly what you want.
- Pour the batter into the prepared pan. Bake for 35 to 40 minutes, until a toothpick inserted in the center comes out clean.
- While the cake bakes, add ½ cup of butter, 6 tablespoons of milk, and 4 tablespoons of cocoa powder to a saucepan over medium heat. Stir until the butter is melted and the mixture is smooth. Do not let it boil.
- Remove from heat and whisk in 3¾ cups of powdered sugar, 1 teaspoon of vanilla, and ¼ teaspoon of salt until smooth.
- Pour the warm frosting over the warm cake and spread evenly. Let it set for about 15 minutes before slicing.
Recipe Notes
- The batter will be very thin once the hot coffee is added. That’s normal and important for the final texture.
- Coffee deepens the chocolate flavor but does not make the cake taste like coffee. Hot water works if needed.
- Frost the cake while it’s still warm so the frosting spreads easily and sinks slightly into the top.
- Store covered at room temperature for a day or two, or refrigerate for longer storage.
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