Put the tripe into a saucepan with a quarter cupful of water, with the lid on, place on the hob for 8-10 minutes approx. Discard the liquor in the pot, add the sliced onion and cover with cold milk.

This involves placing the tripe in a large pan of cold water which is slowly heated to the boil, so that the impurities rise to the surface. The butcher may have done this for you, so ask.

Tripe is usually bleached in Western countries. I recently bought about a kilo of honeycomb tripe, which looked very good. I cooked it the usual way. However, on tasting it, I could detect the ...