How to bake bread in a pressure cooker?

After adding alkali to soft flour, add proper amount of sugar, eggs and milk. Knead the noodles thoroughly and leave them for a while. Wipe a little cooking oil on the bottom of the pressure cooker, scoop out the cooked flour with a rice spoon, make the bread green and put it in the pot. Cover, close the upper pressure valve and heat for 3 minutes. Then, remove the valve to deflate, turn the bread over, cover the pressure valve, and continue heating for 3 minutes. Finally, open the valve to deflate and the bread is served.