I discovered a recipe for Chip Balls in Good Housekeeping’s Book of Cookies (1958) and realized that folks have been putting crazy add-ins like potato chips in their cookies since the mid-1950s. I’m a huge fan of cookies like this, particularly if the ingredients combine the sweet and the salty in new ways. So I took the Chip Balls recipe and added butterscotch chips, which pair with salt so beautifully. Then I quadrupled the amount of potato chips ca