Family practice of stewing elbow in pressure cooker

The common practice of stewing elbows in pressure cooker is very simple. First, prepare fresh pork elbows, then cut them into strips and put them in a bowl, add a certain amount of water, add some soy sauce and oyster sauce for about half an hour, then put them in a pressure cooker and add star anise, fennel and cinnamon. And press it in the pressure cooker for an hour or two, and you can eat it out of the pot.