This is so delicious and easy. Throw everything together, go to work, come home, and eat. How easy is that? This recipe doubles easily for a crowd too and doesn't cost a fortune.
- In 2 1/2- to 3 1/2-quart slow cooker, mix beef, onion, soup, mushrooms and pepper.
- Cover and cook on low heat setting 8 to 10 hours or until beef is very tender.
- Stir sour cream into beef mixture. Serve over noodles.