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