If you are set on a cream cheese frosted cake try this recipe: 1/2 lb butter 1 cup vegetable shortening 2lb powdered sugar 8 oz cream cheese mexican vanilla to taste Mix the butter and shortening together. Cream until smooth. Turn mixer to low, and add sugar a little at a time. If it gets too thick, add just a little milk, but not too much! After it is all mixed well together, add the cream cheese and mix well.