Peel, cube & boil the swede til tender then mash it.
Slice the leek & chard & cook it on a dry cast iron skillet. Add those to the swede and season – I did mixed Italian herbs, garlic powder, salt, pepper & chili flakes.
Form into patties – if you let it cool you can use your hands but I was impatient and pressed it into a little bowl and hit it out. Fry on a hot, dry tefal skillet until browned on each side.