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Seal it in a tightly covered tupperware or tupperware-like container.
by freezing.
To extend their shelf-life.
ice cream cones
Shelf life depends on processing, what container it is in and other factors. Cream can safely be kept 7 to 10 days past the expiration date. Heavy cream lasts 2 to 3 weeks past the expiration date.
To keep foods fresh and extend shelf life.
Freeze-drying blueberries to extend their shelf life
About 35 days
To extend shelf life (last longer).
Freeze-drying blueberries to extend their shelf life
Most sources say: kept dry at room temperature, the shelf life of cream of tartar is indefinite. Online stores that sell the stuff will tell you one or two years.
Milk that has been heated to an ultra high temperature to extend it's shelf life.