One-Bowl Chocolate Cake
A dark, moist chocolate sheet cake mixed in one bowl, with a glossy chocolate frosting. Reliable for birthdays and bake sales.
- Makes
- 15 slices
- Prep
- 20 min
- Cook
- 35 min
- Total
- 2 hr 25 min
- Oven
- 350°F175°C
Ingredients
One batch fills a 9×13-inch pan, or two 8-inch rounds baked 30 to 35 minutes.One batch fills a 23×33 cm pan, or two 20 cm rounds baked 30 to 35 minutes.
For the cake
For the frosting
Equipment
- 9×13-inch baking pan23×33 cm baking pan
- Large bowl
- Whisk
Instructions
Heat the oven to 350°F. Grease the pan and line the bottom with parchment.Heat the oven to 175°C. Grease the pan and line the bottom with parchment.
Whisk the flour, sugar, cocoa, baking soda, baking powder and salt in a large bowl. Add the eggs, buttermilk, oil and vanilla and whisk until smooth.
Whisk in the hot coffee; the batter will be thin. That’s what makes the cake so moist. Pour into the pan.
Bake until a toothpick in the center comes out clean or with a few moist crumbs, 32–36 minutes. Cool completely in the pan, about 1 hour.
Beat the butter and cocoa until smooth, then beat in the powdered sugar, milk and vanilla until fluffy. Spread over the cooled cake.
Notes
- The coffee deepens the chocolate flavor without tasting of coffee. Hot water works too.
My notes
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Nutrition estimate
- Calories
- 390
- Protein
- 4 g
- Carbs
- 63 g
- Fat
- 15 g
Per slice, estimated from USDA FoodData Central values for the listed amounts. Optional ingredients and to-taste seasoning are not included, and actual values vary by brand. How we estimate
