Leeks belong to the onion family and look a bit like a huge spring onion, with a mild onion flavour. Leeks are a good source of folate, a source of dietary fibre, thiamin, vitamin B6, vitamin C, and contain a dietary significant amount of potassium. They contain phytonutrients, including carotenoids and phenolic compounds.
Fun Fact – Leeks have been the national emblem of Wales since 640 AD when, according to legend, the Welsh army defeated the invading Saxons because the men attached leeks to their hats.