Romaine lettuce is oblong, with long leaves that have a thick rib or stem. Loose-leaf lettuce is also just what it sounds like, as it doesn’t form a tight head like the other varieties.
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.
Leaf lettuce comes in different colours, including green and red with some loose, delicate leaves and a mild and bitter taste. They are versatile and can be used in various dishes, from salads and ...