Meals Matter

Combine first 4 ingredients in a jar with a tight-fitting lid. Shake vigorously. Place sliced beef in a mixing bowl. Pour soy sauce mixture over beef and toss to coat. Heat peanut oil and sesame oil in a wok or heavy nonstick skillet over high heat. Stir-fry ginger and garlic 45 seconds. Add meat and marinade and stir-fry 2 minutes or until beef begins to brown. Add scallions and mushrooms and stir-fry 2 minutes or until scallions are softened. Add spinach and stir-fry another 45 seconds. Season with pepper to taste. Serve with additional soy sauce.