Melt and cool the 2 ounces of chocolate. Heat oven to 350 degrees. Grease and flour 2 round pans, 8 or 9 x 1 1/2 inches. Beat all ingredients except Creamy Vanilla Frosting on low speed 30 seconds, scraping bowl constantly. Beat on high speed 3 minutes, scraping bowl occasionally. Pour into pans. Bake 30 to 35 minutes or until wooden pick inserted in center comes out clean. Cool 10 minutes; remove from pans. Cool completely. Fill layers and frost cake with Creamy Vanilla Frosting. Creamy Vanilla Frosting: Mix powdered sugar and margarine. Stir in vanilla and milk until smooth and of spreading consistency.~ ~