If you’ve ever had a Caesar salad, you’ve had romaine, also known as cos lettuce ... Commonly available in red and green varieties, loose-leaf lettuce is a bit more perishable than head ...

Here's which types of lettuce are most popular, why these greens are good for you and what you need to be mindful of as you include more in your diet.

Varieties can have green or red leaves and can be used in salads ... It is deep green with a yellow heart. Romaine or cos lettuce Grown least often by home gardeners, romaine lettuce requires ...

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.

This dish gets much of its flavour from Thai red curry paste ... While you can use any green leafy lettuce as a wrap, romaine and Boston bibb lettuce offer the sturdiest cradle for the savoury ...