3 tbsp. butter
3 oz. baking chocolate
3 c. confectioners' sugar
1/4 tsp. salt
1/2 c. milk
1 tsp. vanilla (or lemon)

Melt butter in small saucepan; add chocolate and stir constantly over very low heat until melted. Pour into small mixer bowl. Add remaining ingredients; beat until well blended; chill until spreading consistency (10-15 minutes.) Fills and frosts 8 or 9 inch layer cake or 13 x 9 inch cake.