Grated Parmesan cheese, optional
8 oz. uncooked multigrain spaghetti
1/2 tsp. salt
2 tsp. Italian seasoning
1 can (8 ounces) tomato sauce
1/2 pound sliced fresh mushrooms
1 medium zucchini, finely chopped
1 medium sweet red pepper, finely chopped
1 small onion, finely chopped
1 pound lean ground beef (90% lean)