Like allonions, leeks are naturally rich in the antioxidant quercetin which, accordingto at least two groups of researchers, may play a role in protecting againstheart disease by lowering blood pressure and LDL cholesterol levels in peopleconsidered to be at high risk of cardiovascular disease. Look for leeks withpure white stalks and fresh green ‘leaves’ that haven’t started to wilt. Leekscan be stored in the fridge for up to a month, during which time they actuallykeep growing (albeit very slowly).
