Hi! Found an easy recipe and want to make it for an event. Do you feeeze it in the little cups if u won't be using it that day? How long can it freeze for? If I am making it three or four days before the event should I freeze it or put it in the refrigerator? And any other tips? I found a two ingredient version in a new cookbook. Has anyone used it? Open to other very easy versions too. Thank u!