• 2 tablespoons olive oil
• 2 teaspoons tomato purée
• 12 sa

Preheat the oven to 220°C (425°F, Gas Mark 7).

Pour the olive oil over a baking tray and sprinkle with sea salt and dot with the tomato purée. Lay the (whole) sardines on top, then sprinkle with more salt and the white wine before