I had a carvery a few days back and the staff were having bets to see whether I would clear the plate. I think I got a photo of it on my phone - let me see!
I know the picture is terrible but it might give you an idea as to how high the plate was loaded up with food. I can remember there being: 2 yorkshire puddings, 12 medium sized roast potatos, 3 boiled potatos, rougthly 1 pint of gravy, 4 slices of turkey, a shovel load of pies and probably about the same amount of carrots.
There was a £5 bet on with the staff that I couldn't finish it. I only paid £3.75 for the meal in the first place and I didn't have to eat again for about 18hours.