Recipe courtesy of Kathleen Blake

Mom's Buttermilk Chocolate Cake

  • Level: Easy
  • Total: 2 hr 20 min (includes cooling time)
  • Active: 30 min
  • Yield: 6 to 8 servings
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Ingredients

Cake:

1 cup (2 sticks) unsalted butter, plus more for greasing the pan

2 cups all-purpose flour 

2 cups sugar 

11/2 teaspoons baking soda 

4 tablespoons unsweetened cocoa powder

1/2 cup buttermilk 

2 eggs 

1 teaspoons vanilla extract 

Frosting:

1/2 cup (1 stick) unsalted butter

3/4 cup buttermilk 

4 tablespoons unsweetened cocoa powder

1 pound confectioners' sugar 

Directions

  1. Preheat the oven to 350 degrees F.
  2. For the cake: Lightly grease a 9-by-13-inch cake pan with butter. Combine the flour, sugar and baking soda in the bowl of a stand mixer or mixing bowl. Combine the butter, cocoa and 1 cup water in a medium saucepan and bring to a boil while mixing. Add the cocoa mixture to the flour mixture, along with the buttermilk eggs and vanilla, and beat for 3 minutes. Pour into the prepared cake pan and bake until firm to the touch and a toothpick inserted in the center comes out clean, 30 to 40 minutes. Let cool 10 minutes in the pan before turning out on a rack to cool completely.
  3. For the frosting: Make the frosting as soon as the cake is out of the oven. Combine the butter, buttermilk and cocoa in a small saucepan and bring to a boil while mixing. Combine with the confectioners' sugar in the bowl of a stand mixer and beat until smooth. Spread the frosting evenly on the cake. 

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