1. Braised yam pork ribs in a pressure cooker generally only takes 15 to 20 minutes to be cooked. Because the pressure in the pressure cooker is very high and the temperature it can reach is 100 degrees higher than the boiling point at normal temperature, so it is more A regular saucepan will take less time. In addition, the pressure cooker stews the ribs under high pressure, so the time is short and the nutrition of the food is not destroyed. In addition, the pressure cooker stews the yam ribs so soft that the bones can be chewed, so it is suitable for the elderly with poor teeth.

2. How to braise the ribs with yam in pressure cooker: wash the ribs with cold water, blanch them to remove the blood, then wash them with cold water and drain them. Cut the green onion into 3 cm sections, smash the ginger, peel the garlic, and cut the yam and set aside. Put the washed meat into the pressure cooker, stir-fry over low heat to dry the water, add seasonings, change to medium heat and stir-fry until the meat is coloured. Add yam, onion, ginger, garlic, seasoning box and boiling water (at the same height as the ribs), bring to a boil over high heat, cover with a valve and press in a pressure cooker. Simmer on high heat for 5 minutes, then reduce to low heat and simmer for 15 minutes and then turn off the heat. After the pressure cooker cools down on its own (no more rafts are added), open it, add salt, boil over high heat for 3 minutes and then turn off the heat. Before loading into the container, take out the onions, ginger, garlic and seasoning box.