Add the onion and celery and set aside. Fry the onion in the oil until golden and add the pudding. Cook for 1 minute then add to the ham mixture. Cook the leek in the butter until soft and add the ...

I then remove the ham from the oven, take off the rind, stud the layer of fat on top with cloves and cover with a mustardy black treacle glaze, and put the joint briefly back in a very hot oven.