Cut the fish jerky into bite size pieces with a pair of scissors.
Combine all the seasoning sauce ingredients in a bowl and mix them well.
Place a wok on a stove and heat it up for a few seconds. Add the cooking oil and spread it.
Add the fish jerky into the wok and roast and stir it until it crisps, for 2-3 mins. Once done, take the fish jerky out onto a plate of kitchen paper to absorb the excess oil.
Pour the seasoning sauce into the wok and simmer it for 1-2 mins. Add the fish jerky into the wok. Quickly mix them and remove the wok from the heat.
Serve it on a plate. Finish up by sprinkling some sesame seeds on top.