u/Chaosblast

I just got my first artifact, and I've seen a couple treasures I can't reach. But checking the map, they don't show. Does something need triggering? Or it just doesn't work?

https://preview.redd.it/yr3yhl9l1w0h1.png?width=863&format=png&auto=webp&s=3b34eee4b96a76de9b8fbbdea9f448235c11cdda

I just forgot, what is this?

I know it's related to cooking, but I don't know how to activate it.