out? Also, can it be frozen and retain its juiciness and moisture?
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Reheating - I would suggest steaming it, or as a second option wrapping it tightly in tinfoil and baking it. In either case the liquid will be trapped inside. But even if it's still moist it might be chewier on reheating. I usually eat my leftover turkey cold!
Freezing - Probably, but don't freeze it for more than a month and try to squeeze out as much air as possible and use a good freezer zip bag.
I've never made a turkey roll but I find that storing cooked poultry in the fridge with some chicken stock or the drippings helps when reheating.