Chicory is a leafy vegetable that looks like lettuce but tastes more bitter. It is a hearty cool-weather crop that can bring an earthy bite to salads, stir-fries, and other dishes during fall and ...

Pronounced “ruh-DEE-kee-yo” or “ruh-DIK-ee-yo,” this bitter type of lettuce (which is related to endive) also goes by red chicory and is easy to spot from its vibrant purple color.

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.