How to Make Chili Oil (Hung Yao)

Cut off the stems of the dried chilies and remove the seeds.
Chop the chiles into coarse flakes (it's easiest to do this by processing them in a blender for about 20 seconds).
(Handle the chile peppers with care - the oil in capsicum can be very dangerous for your skin and eyes. You may want to wear plastic gloves when handling the chile peppers. Be sure to wash your hands thoroughly with soap and water afterward).