How Long Does Egg White Icing Last

Add the egg whites to the sugar, vanilla, and Cream of TarTar. Mix on low-medium speed until the icing is smooth. Use immediately or store in an airtight container in the fridge. It is good for up to one week if kept in the fridge.

How long does egg white royal icing last in the fridge?

How long can you keep Royal icing in the fridge? You can keep Royal icing made with fresh egg whites for up to 1 week and if it’s made with meringue powder or dried egg whites for up to 2 weeks in a refrigerator.

Does frosting made with egg whites have to be refrigerated?

Storing the Icing It’s always best to use seven-minute icing as soon as it’s made and cooled, when it’s at its smoothest and most malleable. Still, it can be refrigerated for a day or so if necessary. Spoon the icing into an airtight container just large enough to hold it, and seal it tightly.