1 lb. yellow squash (1/4-inch slices)
1 lb. zucchini (1/4-inch slices)
1 medium onion, chopped
2 tbsp. water
2 c. Monterey Jack cheese
1 (8 oz.) carton plain yogurt
14 oz. can diced green chili peppers, drained
1 1/2 c. cheese flavored tortilla chips, crushed

Place squash, zucchini, onion and water in 3-quart microwave-safe casserole dish. Cook, covered on High about 10 minutes, stirring once. Drain. Mix together cheese, yogurt and chili peppers. In 12 x 8 x 2-inch casserole, layer half of squash mixture, half of cheese mixture, then half of the chips; repeat layers. Cook at 400°F for 25 minutes.