1 c  Milk
1 pk Instant pudding (small)
1/2 c  Butter/margarine
1/2 c  Shortening
1 c  Powdered sugar
1/2 ts Vanilla

Mix together 1 cup milk and 1 box of pudding and let stand. Mix together
butter, shortening, powdered sugar and vanilla thoroughly. Add both
mixtures together and blend well. Will ice 2 9-inch cakes.