Buttermilk Chocolate Cake with Fudge Icing
This cake is moist and has a chocolate frosting that sets like fudge.
The cake is made with buttermilk and has a simple frosting made with sugar, cocoa, and milk.
The result is a chocolate cake with a rich, fudgy topping.
By Nadia Kovalenko
Posted October 5, 2026Share
Time
Calories
Servings
Difficulty
Description
This cake is moist and has a chocolate frosting that sets like fudge.
The cake is made with buttermilk and has a simple frosting made with sugar, cocoa, and milk.
The result is a chocolate cake with a rich, fudgy topping.
Quick Tip Read the recipe in its entirety before you start cooking. This will help you understand the ingredients, steps, and timing involved, and allow you to prepare any necessary equipment or ingredients beforehand.
Ingredients 14
1 cup buttermilk
2 teaspoons baking soda
2 cups white sugar
2 eggs
3 tablespoons unsweetened cocoa powder
0.5 cup vegetable oil
2 teaspoons vanilla extract
1 cup boiling water
2 cups all-purpose flour
1 cup white sugar
0.5 cup unsweetened cocoa powder
0.25 cup milk
0.25 cup butter
1 teaspoon vanilla extract
Instructions
-
1
Preheat the oven to 175 degrees C. Grease a 9x13 inch pan and flour it. Mix the buttermilk and 2 teaspoons baking soda in a bowl. Set it aside in a warm place.
-
2
In a large bowl, mix 2 cups sugar, eggs, 3 tablespoons cocoa powder, oil, and 2 teaspoons vanilla. Stir in 1 cup boiling water, then add 2 cups flour. Stir in the buttermilk mixture.
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3
Pour the batter into the prepared pan. Bake for 30 minutes or until a toothpick inserted into the center comes out clean. Let it cool.
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4
To make the icing, combine 1 cup sugar, 0.5 cup cocoa powder, 0.25 cup milk, 0.25 cup butter, and 1 teaspoon vanilla in a saucepan. Bring to a boil and cook for 1 minute. Remove from heat and beat for 3 minutes until it thickens. Pour over the cooled cake.
Nutrition Facts
Servings 12
Amount Per Serving
-
Calories 421 kcal
% Daily Value *
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Total Fat 15g
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Saturated Fat 5g
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Cholesterol 42mg
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Sodium 274mg
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Total Carbohydrate 70g
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Dietary Fiber 2g
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Protein 5g
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.
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