1 1/2 lb. round steak or roast, cut into strips
2/3 c. soy sauce
1/3 c. lemon juice
1/3 c. oil
1 tbsp. dry mustard
1 tsp. ginger
1/4 tsp. garlic powder
1/4 tsp. pepper

Place beef in shallow dish. Combine ingredients and pour over beef. Cover and refrigerate at least 1 hour. Place on grill and turn beef occasionally.