First, Add and boil water into a 2 quart pot . then put galangal sliced , lemongrass sliced , kaffir lime leaves and wait until the water boils. Next, put mushrooms . wait until the water boils. add the shrimps. After that season.. Put the 5-6 tablespoon fish sauce, 7 tablespoon lemon juice, 7 tablespoon fresh milk, 5 chilies and 3 sprigs parsley add into the pot.