Add the milk (or, if preferred, use more stock, water or cream). Tear in most of the ham. Bring the soup back to a simmer, then season to taste with salt and pepper, remembering that the ham is ...
Lightly score the ham fat with a knife in a crisscross pattern. Line a small roasting tin with a piece of foil, large enough to come up the sides of the tin. Place the ham on top, fat-side up.