This celebrated dish from Santini London is all about the power of umami. Created by my father, Gino Santin, in 1984, Carciofo Santini is his most famous dish, and people book from all over the world to come and eat this delicious umami treat. The rich sauce is also served with homemade pappardelle and was Frank Sinatra's favorite dish at Santini. As these artichokes take some time to cook, they are best prepared in advance; they can be reheated gently, adding a ladleful of stock if necessary.