Alternatively, grate raw, unblanched zucchini and freeze in freezer bags or storage containers to use in soups and baked goods such as cakes, muffins and loaves.Fresh Tomato & Roasted Red Pepper SauceHomemade tomato sauce is great to have stashed away in the freezer over the winter ??? use it on and in pasta dishes, but also in soups, stews and braises.