The beef in this Slow Cooker Beef Stroganoff is fall-apart tender, the sauce is dreamy, and the prep is minimal. Whether you're meal-prepping or feeding a crowd, this is one of those recipes you'll come back to again and again.
Optional, but recommended:sauté the aromatics and beef: In hot pan, sauté onions and mushrooms until softened. Add minced garlic for last 30 seconds. Place in the bottom of the slow cooker. Add the beef to the hot pan: sear for a few minutes, then turn over for another few minutes to give it color. Add to the slow cooker.
Layer the slow cooker: Onions, mushrooms, and garlic on the bottom. Place beef over onion mixture.
In small bowl, mix together the soup, mustard, water, Worcestershire, and seasonings. Pour over beef. Place bay leaf on top. Cover with lid.
Set slow cooker on LOW (preferred method) for 7 - 8 hours, or on HIGH for 4 - 5 hours. Beef should be fork tender. Just before serving, remove the bay leaf and stir in cream cheese. Enjoy!