Preheat the oven to 350 degrees F.
in a roasting pan or on a sheet pan
. Sprinkle chicken with seasoning salt. Bake for 35 to 40 minutes, or until almost cooked through. Remove from oven and refrigerate until ready to finish, or transfer immediately to a very hot grill
generously with BBQ sauce and continue cooking until the sauce begins to caramelize
and until an instant-read thermometer registers 180 degrees F when inserted deep into the thigh, away from the bone, and registers 160 degrees F when inserted in the breast, away from the bone. Remove from heat and serve.