1 can (10-3/4 ounces) condensed golden mushroom soup, undiluted
2 tablespoons reduced-sodium soy sauce
2 tablespoons Dijon mustard
1 tablespoon Worcestershire sauce
3 garlic cloves, minced
3/4 teaspoon salt
1/2 teaspoon pepper
2 tablespoons cornstarch
2 tablespoons water
1 cup sour cream
Hot cooked egg noodles
Minced fresh parsley, optional
Directions
Cut steak into 3×1/2-in. strips. In a 5- or 6-qt. slow cooker, combine next 9 ingredients. Stir in steak strips. Cook, covered, on low until meat is tender, 6-8 hours.
Transfer steak to a serving dish; keep warm. Skim fat from cooking juices. Mix cornstarch and water until smooth; stir into cooking juices. Cook, covered, on high until thickened, 10-15 minutes. Stir in sour cream; pour over beef. Serve with noodles and, if desired, minced parsley.