Baked Spaghetti

1 lb ground beef (cooked and drained)
1 small onion
1 green pepper
1 tbsp butter
2 cans stewed tomatos
1 small can sliced olives (drained)
1 small can mushrooms (drained)
1 can cream of mushroom soup
1/4 cup water
12 oz. cooked spaghetti
grated cheese and parmesan

Saute onion and green pepper in butter. Add to hamburger then add tomatos, olives, and mushrooms to meat. Grease sides of 19" pan. Add half spaghetti then top with half the meat sauce and cheese. Add remainder of spaghetti then top with remainder of meat sauce and cheese. Add 1/4 water to cream of mushroom soup and spread on top of the casserole. Sprinkle with parmesan cheese. Bake at 350 for 35 minutes.