A really well-constructed potato salad can be as interesting as the burger it precedes (and believe me: I love burgers). Tangy, salty, and sweet with a texture that's simultaneously creamy, crunchy, and fluffy in each bite, a perfect potato salad should taste feather-light, despite being made with potato and mayo, two of the heaviest ingredients around. How to make that perfect potato salad? Find out in this week's Food Lab. More