Good-Cooking - Black Magic Cake

Ingredients

• 1 3/4 cups all-purpose flour, sifted
• 2 cups granulated sugar
• 3/4 cup cocoa
• 1 teaspoon baking powder
• 2 teaspoons baking soda
• 2 eggs
• 1 cup hot black coffee
• 1 cup buttermilk or sour milk
• 1/2 cup vegetable oil
• 1 teaspoon vanilla extract