They're not sweet, and they're not bread. So what are sweetbreads? We've got a full breakdown, including where to buy and how ...

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.

For a milder tasting offal, look for heart, sweetbreads or tripe. It isn't always easy to find brains, hearts, trotters and tails, either, as supermarkets rarely sell the more challenging cuts.

Sweetbreads are available from good butchers, but may need to be ordered in advance. Calves’ sweetbreads may come from European veal; if animal welfare is a concern, look for sweetbreads that ...