Also known as Romaine, Cos Lettuce grows in a tall head with sturdy, dark green leaves with ribs running down their centre. Firm and crunchy with an earthy flavour, Cos is one of the main ingredients in Caesar Salads and is also commonly braised, used in soup or Middle Eastern food.
Cos Lettuce is ultra-low in calories and carbohydrates, and rich in vitamins A, K and B9 (also known as folate) while also being rich in minerals such as iron, magnesium, manganese, potassium, zinc and calcium.