Perfect to have handy in your freezer for thousands of uses, like sponge cake, shortcake, pancakes, waffles or even ice cream. While raspberries are in season, take advantage of making this and freezing. There is no cooking at all with this recipe, and can also be stored up to 3 weeks in the refrigerator. If you plan on doubling the recipe, prepare in two separate bowls. Make sure to purchase liquid pectin only for this. If freezing, thaw and stir before using.