Add 1-2 baby cos lettuce (cut into chunks) and cook quickly until just tender yet crunchy, tossing to help separate the leaves a little. Remove from the heat, add a generous handful of mint leaves ...

Apart from traditional lettuces, such as 'Cos', 'Iceberg' and 'Butterhead', there are many others to try, including loose-leaf types and oak leaf lettuce, radicchio, rocket and endive.

There are seven main types of lettuce, including cos or romaine, butterhead, leaf, stalk, crisphead, latin, and oilseed.