Using a box grater, shred zucchini. In a clean dish towel or paper towel, squeeze excess liquid from zucchini. Add zucchini to bowl with ground turkey, oats, eggs, garlic, onion powder, rosemary, basil and salt. Combine mixture together with hands (use gloves if desired). Form 1 tablespoon sized balls. Recipe should make about 18 meatballs. At this point, meatballs can be frozen if desired.