This is a great tasting Crusting Cream Cheese Buttercream. a Vegetable Shortening with higher fat content that makes the icing taste better and smooth great. This is a recipe for a crusting cream cheese icing that I've seen floating around this site in the forums. People are constantly looking for it and it wasn't in the. Nov 13, Recipe for a delicious crusting cream cheese frosting that sets well and smooths well. Perfect for decorating cakes and as a substitute for.