Buttermilk Chocolate Cake

Total Time

Prep: 20 min. Bake: 25 min.


16 servings

Updated: Oct. 12, 2022
"My 12 children, 26 grandchildren and five great-grandchildren always request this cake for their birthdays," says Imogene Koepnick of Delavan, Wisconsin. "People call it 'Imogene's Cake'!"


  • 1 cup butter, cubed
  • 1 cup water
  • 2 tablespoons baking cocoa
  • 2 cups all-purpose flour
  • 2 cups sugar
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup buttermilk
  • 1 teaspoon vanilla extract
  • 2 eggs
  • 3 tablespoons butter
  • 2 tablespoons baking cocoa
  • 3 cups confectioners' sugar
  • 1 teaspoon vanilla extract
  • 1/8 teaspoon salt
  • 3 to 4 tablespoons milk or heavy whipping cream


  1. In a saucepan, bring butter, water and cocoa to a boil. In a bowl, combine the flour, sugar, baking powder, baking soda and salt. Add cocoa mixture; mix well. Combine buttermilk and vanilla; add to batter and mix well. Beat in eggs. Pour into a greased 13-in. x 9-in. baking pan. Bake at 350° for 23-27 minutes or until a toothpick comes out clean. Cool on a wire rack.
  2. In a small saucepan over medium heat, cook and stir butter and cocoa until smooth. Remove from the heat. In a small bowl, combine confectioners' sugar, vanilla and salt. Add cocoa mixture and enough milk until frosting reaches desired consistency. Frost cake.

Nutrition Facts

1 piece: 379 calories, 15g fat (9g saturated fat), 64mg cholesterol, 351mg sodium, 61g carbohydrate (46g sugars, 1g fiber), 3g protein.