first Slice lemon grass, galangal,

first Slice lemon grass, galangal, kaffir lime leaves and mushroom prepare first.
Second Heat soup until it boiled. Then add lemon grass, galangal, kaffir lime leaves and mushroom until they all cooked.
Third Season with the fish sauce while boiling the soup. Follow by sweeten roasted chili sauce.
Forth Add shrimp in the boiling water. Crush guinea-pepper lightly then put it down in the soup. Wait until shrimp cooked.
Fifth Add dry curd and well mixed. Turn off the stove, then season with lemonade. Serve in a bowl with the coriander leaves. Ready to eat.