Get the Recipe:
One-Bowl Chocolate Cake
This easy one-bowl chocolate cake is quick to make, incredibly moist, and packed with rich chocolate flavor. Top it off with a simple chocolate frosting for an irresistible dessert!
Ingredients
For the cake:
- 1 cup (200 g) granulated sugar
- 3/4 cup (90 g) all-purpose flour
- 1/2 cup (42 g) unsweetened cocoa powder
- 1 teaspoon baking powder
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 large egg
- 1/2 cup (120 ml) buttermilk
- 1/4 cup (60 ml) vegetable oil
- 2 teaspoons vanilla extract
- 1/2 cup (120 ml) boiling water
For the frosting:
- 1/2 cup (113 g) unsalted butter, softened
- 2/3 cup (56 g) unsweetened cocoa powder
- 3 cups (330 g) confectioners' sugar
- 1/3 cup (90 ml) whole milk
- 1 teaspoon vanilla extract
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Instructions
To make the cake:
- Preheat the oven to 350°F (175°C). Grease and flour an 8-inch square or 9-inch round baking pan. If you prefer, you can line the pan with parchment paper and also grease the paper.
- In a large mixing bowl, whisk together the sugar, flour, cocoa powder, baking powder, baking soda, and salt until well combined.
- Add the egg, buttermilk, oil, and vanilla extract to the bowl. Mix until smooth and well combined.
- Carefully add the boiling water to the batter. Mix until the batter is smooth and well combined. (The batter will be thin.)
- Pour the batter into the prepared baking pan. Bake for 25 to 30 minutes, or until a toothpick inserted into the center comes out clean.
- Allow the cake to cool in the pan for about 10 minutes, then remove it from the pan and transfer it to a wire rack to cool completely.
To make the frosting:
- In a medium mixing bowl, beat the butter until smooth and creamy. Add the cocoa powder and mix until well combined.
- Gradually add the confectioners' sugar and milk, alternating between the two, until you reach a smooth and spreadable consistency. Stir in the vanilla extract.
- Once the cake is completely cool, spread the frosting evenly over the top. Slice and serve.
Notes
- For tips, step-by-step photos, and extra details, be sure to read the full post above before starting. It’s packed with helpful info to answer common questions!
- Store in an airtight container at room temperature up to 2 days.
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