The Best Chocolate Cake
The perfect one-bowl chocolate cake recipe that results in the most moist, soft, yet rich chocolate cake that is perfect for pairing with any fillings you like, or to eat on its own.
Equipment
- 2 6-inch cake pans or a 9-inch cake pan
- Hand whisk
Ingredients
- 120 grams all-purpose flour
- 40 grams cocoa powder
- 1/2 tsp instant coffee powder
- 1 tsp baking powder
- 3/4 th tsp baking powder
- 1/2 tsp salt
- 100 grams granulated white sugar
- 100 grams packed brown sugar substitute with more white sugar
- 125 ml buttermilk substitute with milk mixed with vinegar
- 60 ml neutral oil
- 1 egg
- 1 tsp vanilla extract
- 125 ml boiling water
Instructions
- Preheat the oven to 170°C and prepare the pan by greasing it well with butter and lightly coating it with flour so the cake releases easily.
- In a bowl, combine the flour, cocoa powder, coffee powder, baking powder, baking soda, and salt.
- Add both sugars along with the buttermilk, egg, oil, and vanilla, then whisk until the mixture is smooth and cohesive.
- Slowly pour in the hot water and whisk again until fully incorporated. Don’t worry if the batter seems runny, that’s exactly how it should be.
- Transfer the batter to the prepared pan and bake for 25-30 minutes, until a skewer inserted into the center comes out clean. Allow the cake to cool completely before assembling or decorating.
Notes
Storage:
This cake can be stored in an airtight container at room temperature for up to 3 days or in the refrigerator for up to a week.
Tips & Tricks:
- Use buttermilk for the best texture: Buttermilk’s acidity reacts with both the baking soda and cocoa powder, giving the cake an extra-soft, moist crumb. If you don’t have buttermilk on hand, a simple milk-and-vinegar substitute works just as well.
- Don’t swap the oil for butter: Oil is key to keeping this cake tender and moist for days. Butter can make chocolate cakes denser and more crumbly, while oil helps maintain that soft, melt-in-your-mouth texture.
- Coffee enhances chocolate flavor: The coffee powder doesn’t make the cake taste like coffee. Instead, it deepens and intensifies the chocolate flavor, making the cake taste richer and more chocolatey overall.
- Use both brown and white sugar: This combination adds depth and moisture. Brown sugar brings richness and softness, while white sugar keeps the crumb light and balanced.
- Hot water is essential: Adding boiling water helps bloom the cocoa powder and coffee, resulting in a deeper, more intense chocolate flavor once baked.
- Fill pans only halfway: The cake rises significantly in the oven, so filling the pans halfway prevents overflow and ensures even baking.
- Adjust baking time by pan size: Smaller pans will bake faster than larger ones. For reference, a 6-inch cake typically takes 25–30 minutes, but always rely on a toothpick test for doneness.
- Cool completely before frosting or slicing: Letting the cake cool fully helps it set properly and makes layering, filling, or decorating much easier.