Chocolate Glazed Cake

Bahan-bahan (12 porsi)

• 2 cups all purpose flour
• 2 cups granulated white sugar
• 1 teaspoon baking soda
• ½ cup buttermilk
• 1 large egg, (slightly beaten)
• 1 teaspoon vanilla extract
• 1 cup (2 sticks) salted butter
• 4 tablespoons unsweetened cocoa powder
• 1 cup water
• ½ cup (1 stick) salted butter
• 4 tablespoons unsweetened cocoa powder
• 6 tablespoons buttermilk
• 1 teaspoon vanilla extract
• 16 ounces well-sifted powdered sugar