Devil's Food Cake

1 1/4 cups sugar

1 cup buttermilk

2/3 cup vegetable oil

2 eggs

1 teaspoon vanilla

1- 1/2 cups all purpose flour

1/2 cup unsweetened cocoa powder

1- 1/4 teaspoons baking soda

Preheat oven to 350°F. Grease and flour two 8-inch-diameter cake pans with 1 1/2-inch-high sides. Whisk first 5 ingredients in large bowl to blend. Sift in flour, cocoa and baking soda. Stir to combine. Divide batter between prepared pans. Bake until toothpick inserted into centers comes out clean, about 25 minutes. Cool in pans on racks 10 minutes. Turn cakes out onto racks and cool completely. (Can be prepared 1 day ahead. Wrap cakes separately in plastic wrap and store at room temperature.)