Ingredients
Method
1.Place mushrooms in bowl, cover with warm water, stand 20 minutes. Drain mushrooms, discard stems, cut caps into thin slices.
2.Trim excess fat from steak. Heat oil in pan, cook steak until browned on both sides and medium rare; cool. Cut steak into thin strips.
3.Make the dressing; combine sesame oil, fish sauce, sherry and oyster sauce in bowl; mix well.
4.Combine steak, mushrooms, pepper, nuts and spinach in bowl. Add dressing; toss well.