2 cups (475 ml) chicken stock 1 teaspoon salt 10 thin slices galangel or ginger 4 kaffir lime leaves, torn 5-7 stalks lemongrass, sliced on an angle into 1¼-inch/3 cm lengths ½ onion, thinly sliced 2 plum tomatoes, quartered 5 oz/150 g straw or white mushrooms, halved 12 raw jumbo shrimp (king prawns), peeled and deveined 3 tablespoons fresh lime juice 5 fresh green bird’s eye chilis, crushed ¼ teaspoon granulated sugar 2 tablespoons fish sauce 3 small shallots, crushed 3 scallions (spring onions), cut into 1½-inch/4 cm lengths handful of cilantro (coriander), chopped
LET'S GET COOKING
Combine the chicken stock, 2 cups (475 ml) water, and salt in a large pan. Bring to a boil over medium heat. Add the galangal, kaffir lime leaves, and lemongrass, return to a boil, and cook for 1-2 minutes. Add the onion and tomatoes, return to a boil, and add the mushrooms and shrimp. Boil for 1 minute, or until the shrimp are cooked. Add the lime juice, chilis, sugar, fish sauce, and shallots and stir. Ladle into soup bowls, sprinkle with the scallions and cilantro, and serve.