Soy Marinated Flank Steak

Ingredients

• 1 cup soy sauce
• 1/4 cup packed light-brown sugar
• 3 tablespoons cider vinegar
• 1 tablespoon Worcestershire sauce
• 2 teaspoons Dijon mustard
• 1 teaspoon red-pepper flakes
• 1/4 teaspoon ground pepper
• 1 flank steak (about 2 pounds)
• Vegetable oil for grates

Instructions

1. 1
   In a 9-by-13-inch baking dish, whisk together soy sauce, sugar, vinegar, Worcestershire, mustard, red-pepper flakes, and pepper. Place steak in dish and cover dish tightly with plastic wrap. Swirl dish so that marinade coats the top of steak. Refrigerate 1 to 2 hours, turning steak occasionally.