Preheat oven to 350F.
Brown beef with onion. Stir in garlic, oregano, soup, tomato sauce, and vinegar. Simmer for 30 minutes.
In a casserole dish, layer ingredients in this order: noodles, cottage cheese, meat sauce, and mozzarella. Repeat three more times.
Bake for 30 minutes, and let stand for 30 more.