1Mix 700ml chicken stock, 3 halved garlic cloves, 4 tbsp soy sauce, 1 tsp Worcestershire sauce, a sliced thumb-sized piece of ginger, ½ tsp Chinese five spice, pinch of chilli powder and 300ml water in a stockpot or large saucepan, bring to the boil, then reduce the heat and simmer for 5 mins.