WALDORF ASTORIA'S FAMOUS RED CAKE

Ingredients

• 1/2 cup butter
• 2 eggs
• 1 1/2 cups sugar
• 2 oz. red food coloring
• 1 tsp. vanilla
• 1/2 tsp. salt
• 2 TBS. cocoa
• 1 cup buttermilk
• 2 1/4 cups cake flour, sifted
• 1 tsp. vinegar
• 1 tsp. baking soda