Potato salad done right

Potato salad is one of those dishes that provokes strong reactions. Folks tend to be very particular about how theirs is made: sweet relish vs. chopped dill pickle; lots of mustard vs. none at all; white onion vs. green onions. And different dishes have distinct secret ingredients. Take Frances Huber's Potato Salad show here, the secret ingredient isn't paprika. It's butter. Jessica McGowan / AJC