This salad is quick and simple to prepare, and goes beautifully with fish - you can prepare most of it ahead, too
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Learning to blanch
To blanch and refresh green beans, bring a pan of water to the boil. Fill a large bowl with very cold, ideally iced, water. Plunge the beans into the boiling water for 1-2 mins until just softened (blanching), drain with a slotted spoon and plunge straight into the cold water to stop the cooking process (refreshing). Now you'll have fab bright green, just-cooked beans.