In saucepan, combine butter, shortening ... buttermilk to which soda has been added. Bake at 350 degrees for 30 minutes. Frost with Cool Whip Frosting.
Shake milk and flour, then ... Crisco and vanilla. Whip, then add paste. Whip until fluffy. For chocolate frosting, add 3 tablespoons of Nestle's chocolate powder.