Cheesy Baked Ziti

3 3/4 cups ziti mostaccioli (about 12 oz.) 1 48-ounce jar spaghetti sauce 2 teaspoons Italian seasoning dried crushed 8 ounces mozzarella cheese shredded (about 2 cups) 1 egg 1 16-ounce container ricotta cheese 1/4 cup Parmesan cheese grated 1 tablespoon parsley dried, crushed 1/2 teaspoon salt 4 ounces mozzarella cheese shredded (about 1 cup) […]