(S8 E17) Where do they come from? How long have they been around? And what are they good for? Kate and Rick bring you the 411 on everything potato. Which ones are good for potato salad? How do you make the perfect baked potato? From fried to boiled, mashed to roasted, puréed to flaked, there’s a lot of versatility in these little tubers. Their producer stops by with a quiz on this tasty crop, and one of them may be bringing some really bad spud jokes.