To make the dressing, heat a little of the oil in a pan and cook the garlic briefly (don’t let it brown). Tip into a blender with the other ingredients and the remaining oil, and blitz to a smooth dressing.

Pull the stalks off the puntarelle to find the core and cut the individual bulbs into thin shreds. Put straight into ice-cold water to soak for 1 hr. Drain well, then toss with the radicchio and anchovy dressing.