Beefy Onion Crockpot Dinner

• 2 pounds beef stew meat
• 2 cans cream of mushroom soup (fat free works well too)
• 1 8 oz can mushrooms (or ½ lb fresh)
• 1 pkg. dry onion soup mix
• ½ cup water or beef broth

Combine all ingredients in a slow cooker. Cook 8 hours on low. Serve over rice.