Baked Spaghetti
["1 c. chopped onions", "1 Tbsp. margarine", "1 (4 oz.) can mushrooms, drained", "2 tsp. dried oregano", "1 (2 oz.) spaghetti, cooked and drained", "1 can cream of mushroom soup", "1/4 c. grated Parmesan cheese", "1 c. chopped green pepper (optional)", "1 (28 oz.) can tomatoes, cut up", "1 (2 1/4 oz.) can sliced ripe olives, drained", "1 lb. ground beef, cooked and drained", "2 c. (8 oz.) shredded Cheddar cheese", "1/4 c. water"]
["In a large skillet, saut onion and green pepper in butter until tender. Add tomatoes, mushrooms, olives and oregano. Add cooked ground beef. Simmer, uncovered, for 10 minutes. Place half of spaghetti in a 13 x 9 x 2-inch baking dish sprayed with Pam. Top with half of the", "meat mixture. Sprinkle with 1 cup of Cheddar cheese. Repeat layers. Mix the soup with water until smooth and pour over the casserole. Sprinkle with the Parmesan cheese. Bake, uncovered, at 350\u00b0 for 30 to 35 minutes."]
["onions", "margarine", "mushrooms", "oregano", "cream of mushroom soup", "Parmesan cheese", "green pepper", "tomatoes", "olives", "ground beef", "Cheddar cheese", "water"]