Blend garlic and onion on sp 5 for 10 sec, scrape down and repeat. Add sliced zucchini and blend on sp 5 for 15 sec, scrape and repeat. Add eggs, flour, salt and pepper and blend on sp 4 for 10 sec, scrape down and add milk if its too thick, blend on sp 4 for 8 sec. Fry up fritters and serve with greek yoghurt