Romaine lettuce is also commonly known as cos lettuce. It produces a large, tall, and upright loose head of elongated leaves with a thick midrib and sweet flavor. While most well-known for long ...

Use them to make an authentic Caesar salad. You can also use Cos in stir-fries. Copyright © 2025 BBC. The BBC is not responsible for the content of external sites ...

Separate the leaves from the cos, rinse them and chill well ... Drizzle the tahini over the lettuce, then drizzle the pomegranate molasses over the tahini. Sprinkle with a little sumac to serve.

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.

When you see heads of fresh green lettuce offered at reasonable prices, you may be tempted to buy one but hesitate out of concern that you may not be able to eat it all. This week we offer ideas ...