Soy Garlic Lime Marinade for Flank Steak

INGREDIENTS

• 1 1/2 tablespoon vegetable oil
• 3 tablespoons Chinese superior dark soy sauce or SE Asian double soy sauce (do not use light)
• 3-4 garlic cloves, smashed, peeled and roughly chopped
• 4 teaspoons dark brown sugar, to taste
• 1 1/2 limes, juiced (if they are dry, use 2-3)
• 1 teaspoon ground coriander