In a bowl add the gochugaru, chilli flakes, salt, sesame seeds and finally the chopped wild garlic leaves. Please stick to this order to ensure even cooking of the ingredients when the hot oil is added.
In a separate pot, heat the olive oil. It should be hot but not smoking.
Pour the hot oil over the wild garlic and other ingredients in the heatproof bowl and mix well.
Once cooled, transfer into a sterilised bottle and it's ready to use.