You can freeze the pumpkin in freezer friendly containers. (ourfamilyworld.com)
You might be tempted to put a straw in it and drink it down, but instead pour it into a 9x9x2 ″ or some other freezer friendly container. (theharvestkitchen.com)
Once frozen, they can go into a freezer friendly container or zippered plastic bag. (thelittlekitchen.net)