Chocolate Cake with Whipped Cream Chocolate Frosting

Ingredients (14)

• 3 squares unsweetened chocolate
• 2 1/4 cups sifted cake flour
• 2 tsp. baking soda
• 1/2 tsp. salt
• 1/2 cup butter
• 2 1/4 cups brown sugar
• 3 eggs
• 1 1/2 tsp. vanilla
• 1 cup sour cream
• 1 cup boiling water
• 2 cups heavy cream
• 1/2 cup cocoa
• 1/4 cup powdered sugar
• 1 tsp. vanilla