Amoy Dark Soy Sauce.A dash of Amoy’s traditionally brewed dark Soy Sauce will add a delicious Oriental twist to all your favourite dishes. Amoy Dark Soy Sauce is the essential ingredient to make Oriental dishes taste great, especially – Chicken stir fries.- Beef stir fries.- Rice. Add for sweetness and richness.Add Amoy dark soy sauce when frying or grilling meat or veg to bring out the flavour. Enrich casseroles, soups and stews by adding a splash.