Banana ice cream “nice cream” can be eaten immediately for a frozen soft served texture. If you prefer your Frozen banana nice cream in a scoopable texture, freeze for at least 2-4 hours covered. It can be stored in the freezer for up to 3 months in a sealable container, if you have leftovers. When you are ready to enjoy your banana nice cream recipe, take it out of the freezer, remove the cover and allow to sit at room temperature for about 15 minutes so it is scoopable.