Parboil 2-3 medium squash, yellow and or green Drain well. Place in a greased casserole dish. Put 3-4 slices of cheese, any variety you like on top. Sprinkle on some chopped garlic, then spread 1-2 cups of spaghetti sauce on top. Bake at 350° for 20 minutes, put on a lid bake for another 15 minutes. Let stand 5-10 minutes. Sprinkle Parmesan cheese on top.