Ingredients:
- 1 cup onion, chopped
- 1 cup green pepper, chopped
- 1 tablespoon butter
- 28-oz. can tomatoes undrained
- 4-oz. can mushrooms, drained
- 2 (2 1/4-oz.) cans sliced, black olives, drained
- 2 teaspoons dried oregano
- 1/2 teaspoon salt
- 1/2 teaspoon pepper
- 1 pound ground beef, browned and drained
- 12 ounces spaghetti, cooked and drained
- 2 cups shredded Cheddar cheese
- 10 3/4-oz. can condensed cream of mushroom soup
- 1/4 cup water
- 1/4 cup grated Parmesan cheese
