If you have an abundance of zucchini that you want to save for later use, try shredding it and freezing it in 1-cup increments. You can use it in baked goods, soups, stews, stir fry, and vegetable bakes. If your zucchini is coming from your garden, be sure to pick those squashes before they get big and bitter. You want to harvest them when they are about 2 inches in diameter and about 8-10 inches.