Cook squash in water; drain and set aside. Saute onion and chilies in oil unti l tender. In a 1.5-quart casserole dish alternate layers of onions, squash a nd cheese. Top with cracker crumbs. Bake at 180ºC . for about 30 minu tes until bubbly throughout.
(144 calories per serving) 1 serving= 1.5 Vegetable exchanges half Bread exchan ge half Lean Meat exchange -20ºC at exchange