Simple fresh ingredients make this quick healthy recipe the perfect dish for when friends come over
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To check the tuna is cooked for your liking, take the pan off the heat and leave to stand for a minute or so – the fish will carry on cooking gently from the heat of the pan. Prod the steak with your middle finger; if it’s still rare in the middle, the steak will yield under pressure. The more you cook it, the firmer it will feel. If you like the idea of serving tuna rare you will find 20 seconds searing or so on each side is just enough.