Baked Spaghetti without water shells

1 cup chopped onion 1 cup chopped green pepper 1 tablespoon butter 1 (28 ounce) can tomatoes , cut up,don't drain 1 (4 ounce) can mushroom pieces 1 (2 ounce)[...]

1 lb lean ground beef (browned) 1 cup onion 1/2 cup sweet red pepper, chopped 1/2 cup green pepper , chopped 4 -6 garlic cloves , minced 1 tablespoon butter 2[...]

1 cup onion 1 cup chopped green pepper 1 tablespoon butter 1 (28 ounce) can chopped tomatoes , with liquid mushroom , cut up 1 (3 ounce) can chopped olives 1[...]

1 cup chopped onion 1 cup chopped green pepper 1 tablespoon butter 1 can 28-oz diced tomatoes undrained 1 can (4oz) mushroom stems and pieces, drained 1 can[...]

1 cup onion , chopped 1 cup green pepper , chopped 1 tablespoon butter 1 (28 ounce) can tomatoes , with liquid cut up 1 (4 ounce) can mushroom stems and[...]