You can either refrigerate the soup or freeze it. If you are going to refrigerate it, store it in an airtight container. It will stay fresh in the refrigerator for up to 5 days. To freeze it, store it in a freezer-safe container or a zippered freezer bag. Lay it flat in the freezer. It will stay fresh in the freezer for up to 5 months. When you are ready to eat it, just let it thaw overnight in the refrigerator and then heat it in a saucepan.