Zucchini Rice Casserole
["1 medium zucchini, sliced", "2 medium yellow squash, sliced", "1 onion, quartered and sliced", "1/2 tsp. garlic salt", "1/4 tsp. pepper", "1 (16 oz.) can diced tomato bits (stewed tomatoes)", "1/2 c. uncooked rice", "1/2 c. Cheddar cheese", "2 Tbsp. Parmesan cheese", "6 Tbsp. margarine"]
["Combine zucchini and yellow squash in bowl.", "Place half of squash mixture in bottom of a buttered 2-quart casserole.", "Add half the onion.", "Sprinkle garlic salt and pepper over squash. Cover with half of the tomato bits.", "Add all of rice.", "Add 1/2 of cheeses and dot with 3 tablespoons margarine.", "Repeat this layer, but no more rice.", "Cover and cook for 1 1/2 hours at 350\u00b0.", "Cover with topping last 10 minutes of cooking."]
["zucchini", "yellow squash", "onion", "garlic salt", "pepper", "tomato bits", "rice", "Cheddar cheese", "Parmesan cheese", "margarine"]