On busy weeknights, boneless pork chops make a great centerpiece for a meal. Their mild taste makes them easy to pair with sides, they’re ready to cook straight from the package, and they don’t require hours of cooking to turn tender. But plain chops can be boring, so we like to gussy them up a bit. This time, we had our sights set on a sweet, tangy glaze that would cling tenaciously to the tops and sides of the juicy chop. The problem? By the time a glazed chop reaches your plate, its coating ends up everywhere but on the meat. Many glazes are made with jams, jellies, or preserves, which is a big part of the problem. They’re sugary and offer sheen, but they liquefy when heated. We needed a sweet option that would stay put. Enter apple butter: It’s still sweet, but it’s also packed with apple solids. …