1. In a deep pan, heat the oil and cook the beef.
2. If you are using a tougher cut (like chuck), you may want to simmer the beef for a while to tenderize it.
3. Add the sour cream, cream of mushroom soup, one can of soup water and salt and pepper to taste.
4. Cook until heated through.
5. Boil the noodles as directed and serve the meat over them.
6. This is also a great recipe to make double of and freeze half- all you'd need to do is boil the noodles and heat the sauce.