Succulent Flank Steak

Ingredients

• 4 (5 oz. or 150 g) flank steak
• 1/4 cup (2 fl oz or 60 ml) olive oil
• 1/4 cup (2 fl oz or 60 ml) red wine vinegar
• 1 tablespoon (15 ml) light soy sauce
• 1 tablespoon (15 ml) Worcestershire sauce
• 1 tablespoon (15 g) Dijon mustard
• 1 teaspoon (3 g) garlic, minced
• salt and ground black pepper, to taste