Wash and dry the pork pieces
Set the Instant Pot on Saute function, add a little oil and sear the pork leg on all side - If you are adding a pork foot or slice of pork shoulder, sear each piece. Be careful as the oil would splatter.
Add the garlic, cilantro, and spices - Saute for couple of minutes till fragrant
Add the soy sauces, oyster sauce, sugar, and just enough water to cover the meat
Cancel the Saute function. Close and lock lid, set pressure cook to high for 33 minutes.
Meanwhile, cook the rice, wash the green leafy vegetables, boil the eggs and peel off the shell. Cut the pickled mustard green to bite size and set aside.
To make the sauce, mix all ingredients well and set aside
After pressure cooking time is up, manually release the steam. When steam has been released, open the lid. Carefully remove the pork and set on serving platter.
Set IP to Saute function, skim any fat rising on top, add the boiled egg to the sauce, cook for around 8 minutes to reduce the sauce a little, taste and adjust seasoning (add more soy sauce or sugar). Add the leafy green vegetable to blanch for another 3 to 4 minutes or until wilted. Remove the eggs and green vegetables and put around the pork.
To serve, laddle the sauce on top of the pork, serve with the pickled mustard green, dipping sauce on the side, and steamed rice.