Boil pork in a water with salt and pepper until tender. Remove pork and reserve the boiled water. Drain the pork.

Coat the pork with flour. Fry it (deep fry). Once pork fried drain the excess oil. Set aside.

Saute' garlic in butter. Add oyster sauce and pork stock( reserved boiled water). Simmer it. Adjust the taste by adding salt /pepper. Add the pork. Simmer for about a minute.

Mix cornstarch in a water then add it on the simmer pork to thicken the sauce. Garnish with onion leeks and fried garlic.