Chop the cabbage into bite size pieces, and cut the apple into thin strips;
Transfer the chopped cabbages and apples to a large container ideally with a lid, add in the salt and dashi powder, close the lid and shake the mixture well;
Grind the toasted white sesame seeds in a mortar and pestle set or a kitchen processor, depending on your preference, you can grind all the seeds super fine or leave some texture;
Add ground sesame seeds and sesame oil into the cabbage mixture, shake well again;
Serve immediately, enjoy!