Stir-Fried Steak
["1 lb. flank steak", "3 Tbsp. reduced sodium or regular soy sauce", "3 Tbsp. vegetable oil", "4 tsp. cornstarch", "1 medium red bell pepper", "1 medium onion", "2 stalks celery", "1/2 c. beef broth", "1/4 tsp. black pepper", "5 slices (1/4-inch thick)", "fresh ginger (optional)"]
["Cut steak with the grain into 2-inch wide strips.", "Then cut each strip across the grain into 1/4-inch thick slices.", "In a medium bowl, combine the steak and soy sauce, 1 tablespoon oil and 2 teaspoons cornstarch.", "Stir to coat steak and set aside."]
["flank steak", "soy sauce", "vegetable oil", "cornstarch", "red bell pepper", "onion", "stalks celery", "beef broth", "black pepper", "fresh ginger"]