I have a larger number of guests to cook for on Christmas Day. I am used to cooking the turkey and then letting it rest whilst I then cook the roasties and veg for the rest of the meal. We have decided this year that it would be really nice to have turkey, beef and gammon as a choice for Christmas lunch with any leftovers for the evening and Boxing Day. Can anyone help with the logistics? I've cooked roast beef before and I'm presuming that I would be able to cook the turkey and beef in the oven at the same time and let them both rest while I prepeare the roasties and veg as usual. The gammon has me stumped though - I've never cooked it, my DFIL often eats it boiled - but I'm not sure if it could be cooked the day before and warmed through. Please help - I don't want to muck it all up!