What I do know is that these easy to make meat pies taste delicious and freeze beautifully. I defrost them at room temperature and then reheat them in our little convection toaster oven (one of my most useful kitchen purchases ever), but you could probably go straight from freezer to oven. If you're in a hurry or at work, you can gently heat them in the microwave.
They're the perfect thing to have on hand for quick dinners or hot and hearty lunches and taste especially wonderful when served with brown mustard and cold beer. I'm planning to make a double batch and stash half of them in the freezer so we'll be guaranteed to have something to eat when lambing season starts next month!