To prepare the radicchio and gorgonzola risotto, start by making the vegetable broth. Then move on to the caramelized onions; peel and cut them first in half and then into slices (1). Pour the oil ...

A step-by-step guide to making rich, velvety risotto with radicchio and pancetta.

There are different varieties of radicchio from the large round lettuce-shaped radicchio chioggia to the slender stalky treviso. Most common in the UK is red chicory, an endive-shaped small radicchio.