Layered Summer Casserole
["3 small zucchini, sliced", "1 medium sweet onion, diced", "2 tsp. melted butter", "1 c. Cheddar cheese", "3 medium ripe tomatoes, diced", "3 bread slices, crumbled", "2 tsp. Parmesan cheese"]
["Combine bread crumbs, butter and cheese.", "In a greased 1 1/2-quart casserole, layer half onion, tomato and zucchini; repeat.", "Sprinkle with salt, pepper and Cheddar cheese.", "Top with bread crumb mixture.", "Bake at 350\u00b0 for 30 to 40 minutes or until tender."]
["zucchini", "sweet onion", "butter", "Cheddar cheese", "tomatoes", "bread", "Parmesan cheese"]