The Step You Need To Take Before Buying A Costco Sheet Cake - Chowhound

Clearing out fridge space for a Costco sheet cake might seem obvious, but taking the time to do it in advance ensures that the dessert doesn't sit out on the kitchen counter for too long. Between the buttercream frosting and the vanilla and chocolate mousse fillings, the wholesaler's custom cakes are dairy-based, requiring prompt refrigeration for quality and food safety. The U.S. Food and Drug Administration…