Cover and cool syrup completely. Once your fruit pieces are frozen, you can easily store them in a clean container and use them to prepare delicious and healthy smoothies. Remove spice bag. You can always substitute for more of a variety. Put a little bit of the islands into your next beach party with these recipes fit for a luau. And it keeps nicely in the refrigerator in an airtight container. Add four cups of water and bring to a boil. Serve with vanilla yogurt with just a little lime and grated coconut mixed in.