Thai Vegetable soup

Thai Vegetable soup

Serves 4 Ingredients 2 pints / 1 litre vegetable stock Thumb sized piece of ginger, cut into matchsticks 2 cloves garlic, cut into matchsticks 1 stalk lemon grass, chopped 1 head pak choi, shredded 1 carrot, julienned 4 spring onions, chopped 2 radishes, cut into...