https://www.youtube.com/watch?v=0iabL8MY7iY
English dub with no credits.

Mysterious villain seeks King Of Chefs. Kills imposters.
Old white-haired man relaxes while coaching errant grandson in 6 cooking techniques.

Hey mate, if it's the "proper" title you're looking for, it's Of Cooks And Kung Fu [1979].
https://hkmdb.com/db/movies/view.mhtml?id=8994&display_set=eng

J.J.Hayden wrote:Hey mate, if it's the "proper" title you're looking for, it's Of Cooks And Kung Fu [1979].
https://hkmdb.com/db/movies/view.mhtml?id=8994&display_set=eng

'Tis indeed. Wow, I see it is one of my old favourites.