Ingredients

• 9 diameter cake pans with
• 5 secon transfer contents of work bowl to sheet of waxed paper
• 4 microwave-safe bowl
• 3 additions
• 2 eggs
• 1 1/2 high sides
• 1 stick
• 1 cake layer on platter (serving)
• 3/4 frostin top with third cake layer
• 3/4 frostin top with cake layer (second)
• 4 c powdered sugar
• 2 c sugar
• 1 c buttermilk
• 1 3/4 c sifted all-purpose flour
• 5 1/2 oz semisweet chocolate
• 8 tablespoons sour
• 3/4 c unsweetened cocoa powder
• 4 tablespoons sour cream
• 2 ts vanilla extract
• 1 tb unsweetened cocoa powder
• 1 t baking soda
• 1 t vanilla extract
• 1/4 ts salt