Japanese potato salad is itself a reinvention of a reinvention ... It’s also great on toast (in that case, the bread smeared with a little Kewpie mayo). Wide tagliatelle noodles replace ...

there's no rule that says you shouldn't try -- particularly if a mean potato salad is on the line. You can start with the mayo. Add some Japanese Kewpie mayo to your tartar sauce to create a ...