They are then put into an oval shaped pressure cooker, which is able to cook about 22 dumplings of average size. (1 kg of glutinous rice)
When the safety (red) button arises, it's time to turn down the fire to low, and continue to boil for about 1 hour.
Turn off the fire after 1 hour, but DO NOT OPEN THE COVER!!! Just leave the cooker as it is until the red button goes down as shown below:
Here goes... yummy yummy savoury dumplings!!