Chocolate Cake: Ingredients: 2/3 cup butter or margarine 1 3/4 cups sugar 2 cups flour 1/2 cup Hershey's Cocoa 2 teaspons baking powder 1/2 teaspoon salt 3 eggs 1 1/2 cups milk 1 teaspoon vanilla Instructions: Beat butter and sugar until well blended Add remaining ingredients and beat on low speed for 1 minute, then on high beat for 2 minutes. Poor batter into 1 9" round pan or one 9x13 baking pan. Bake 30 to 35 minutes for the round pans, 40-45 minutes for the rectangular pan. Cool 10 minutes and transfer. Cool completely. Dark Chocolate mouse: 1 cup whipping cream, divided 1 (8-ounce) package semisweet chocolate squares 1/4 cup light corn syrup 1/4 cup butter 2 tablespoons powdered sugar 1/2 teaspoon vanilla extract Preparation: Cook 1/4 cup cream, chocolate, corn syrup, and butter in a heavy saucepan over low heat, stirring until chocolate melts. Cool.