1. Add all the ingredients to a saucepan, or flameproof dish, so that the fillets lie flat.
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2. Gently bring to the boil over a low heat. Once it reaches the boil, immediately take it off the heat and allow to cool.
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3. You can prepare in advance and store the fillets in the brine, in the fridge, till you need it. When you want to serve, remove the fillets from the brine and cut each one into quarters. Serve half a fillet per person on a bed of salad and drizzle of olive oil.

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Bon app! R