HomeCare Instructions Care Instructions option #1: Eat Your CakeBest eaten within 3 days. Store your cake in the cellophane bag or air tight container. option #2: RefrigerateBest eaten within 10 days. Allow approximately 3 hours for the cake to reach room temperature. option #3: FreezeUp to 6 months. Allow approximately 4 hours for the cake to thaw. Best Eaten at Room Temperature!