Baked Spaghetti -Grandma Great

1 cup chopped onion

1 cup chopped green pepper

1 Tbsp. butter or margarine

2 (14 oz.) cans tomatoes

1 (4 oz.) can mushrooms

1 can sliced ripe olives, drained

2 tsp. dried oregano

2 lb. ground beef, browned

12 oz. spaghetti noodles, cooked

2 cups shredded cheddar cheese

1 can cream of mushroom soup

1/4 cup water

1/4 cup grated parmesan cheese

In a large skillet, saute onion and green pepper in butter. Add tomatoes, mushrooms, olives, oregano, and ground beef. Simmer uncovered for 10  minutes. Place half of the spaghetti in a greased 9x13 pan. Top with half of the vegetable mixture. Sprinkle with 1 cup cheddar cheese. Repeat layers. Mix the mushroom soup and water until smooth, then pour over casserole. Finally, sprinkle casserole with parmesan cheese. Bake uncovered at 350° for 30-35 minutes.