Wash and devein the white prawns. Heat some water in a pot and bring to a boil. Place many prawns in the boiling water and when cooked, scoop out and place in cold water. Drain excess water then remove prawns tail and cut the prawns in half lengthwise. Shrimp and stay up to drain. Rend the coriander root, pepper and salt mix together. Then the shrimp and then fried with chilli paste machines. Season with soy sauce. And oyster sauce Eliminates the shrimp and then they leave the room to cool a little before the wrap.