New-Style Beef Stroganoff

From Healthy Crockery Cookery:

1 1/2 to 1 3/4 pounds boneless beef round steak
1 onion, sliced
1 clove garlic, crushed
1 T Worcestershire sauce
1/4 t ground black pepper
1/4 t salt
1/2 t paprika
1 10 oz can condensed beef broth
2 T ketchup
1 T red wine
3 T cornstarch
1/4 c. cold water
1/4 pound fresh mushrooms, sliced
3/4 cup sour cream

Trim all visible fat from steak. Cut steak into 1/4 inch thick slices. Place steak in a 3 1/2 quart slow cooker. Add onion, garlic, Worcestershire sauce, pepper, salt, paprika, broth, ketchup, and wine. Cover and cook on LOW 6 to 8 hours or until steak is tender. Turn control to HIGH. Dissolve cornstarch in water. Add to slow cooker. Stir in mushrooms. Cover and cook 15 to 30 minutes or until bubbly. Stir in sour cream and serve (over egg noodles).