My icing is 1/4 cup butter to 1 1/2 cups of icing sugar and a couple tablespoons of milk, so I'm thinking that with so much sugar, the answer is "almost indefinitely in the fridge." So, as the title ...
What's the best way to store cream cheese icing to make it last as long as possible? How long will it be good for? The icing is made up of 1/2 cup of butter 1 cup cream cheese 3 cups icing sugar