I've made this in the oven several times but never on the gas grill until last night. It worked fine.
http://virtualwebergasgrill.com/2018/10/skillet-apple-pie/
https://tvwbb.com/showthread.php?71998-Skillet-Apple-Pie
http://virtualwebergasgrill.com/2018/10/skillet-apple-pie/
https://tvwbb.com/showthread.php?71998-Skillet-Apple-Pie