1. Preparation materials: 4 sweet potatoes (or prepare according to personal needs).

2. Method:

(1) First wash the sweet potatoes, preferably brush the outer skin with a brush to clean the soil in the gaps;

(2) Brush a layer of oil on the bottom of the pressure cooker to prevent the juice from sticking to the bottom of the pot. You can also put a piece of tin foil on the bottom of the pot.

(3) Put the sweet potatoes in, close the lid, turn on the heat and bake on high for five minutes, then bake on low for 20 minutes and turn off the heat.

(4) After simmering for about twenty minutes, open the lid and the sweet potatoes will be roasted. You can take them out to eat after they cool down