Orange and Rosemary Glazed Chicken

bone-in, skin-on chicken pieces* (breasts cut in half), seasoned with 1 ½ teaspoons sea salt or kosher salt as soon as you get home from the market

all-fruit orange or kumquat marmalade, about ¾ cup (such as St. Dalfour or Sorrell Ridge)

whole grain or stone-ground mustard

shoyu or wheat-free tamari

unsalted butter, melted

finely chopped fresh rosemary

freshly ground black pepper