Drain water serval time to remove dirt, oyster is very soft, avoid washing directly under water.
Put oyster into a small pan then add fish sauce, light soy sauce, Chinese yellow wine and water then boil 1-2 minutes under medium heat until oyster is 70% cooked.
Drain the oyster cooking liquid into grain cut then add water to make water to 320 ml.
Prepare a pot then add on rice, oyster cooking liquid and Mrs. So’s clam sauce then stir well, cook under medium heat until bubbling, stir well again to avoid sticking.
Cover with lid, cook under low heat for 15 minutes.
Place oyster on the rice then add Mrs. So’s clam sauce on the top of oyster, then cover with lid, cook 1 minute under medium heat, then change to low heat for 2 minutes, then off heat for 5 minutes, sprinkle some spring onion to taste.