Vegan Gefilte Fish?

I know lots of people who make vegan seders, swapping the lamb for a beet, the egg for potato, but vegan gefilte fish is a new one to me.

https://www.thejc.com/recipe/vegan-gefilte-fish-cakes-for-pesach-ha8d4if4

Are there vegan substitutions you make, or know about?