In saucepan, combine butter, shortening ... buttermilk to which soda has been added. Bake at 350 degrees for 30 minutes. Frost with Cool Whip Frosting.
Combine and melt in large ... then add to cake mixture and beat again. Combine ... is dissolved. NOTE: Frosting not suitable in very hot humid weather!
Preheat oven to 350 degrees. ... and stir in chocolate chips. Bake in well greased ... to 45 minutes. FROSTING: Cream butter and sugar; add remaining ingredients.