Rub both sides of each pork chop with an even amount of yellow mustard then season with salt and pepper
Rest chops at room temperature until ready to grill
Grill chops 3-5 minutes per side or until internal temperature reaches 155-166F
For the Sauce
Combine cranberries, pineapple, lemon juice, sugar, rosemary sprig, and pinch salt in a medium saucepan.
Cook over medium heat for 30-40 minutes, stirring occasionally. Do not boil.
Discard rosemary after 10-15 minutes