Ultimate savoury tart

• 6 ox-heart tomatoes
• 1 red onion
• 3 tablespoons olive oil
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Slice the tomatoes into thin rounds.

Peel and slice the onion and mix with the olive oil.

Preheat the oven to 180°C.

Unroll the puff pastry onto a baking tray, keeping its baking paper backing. Lift the pastry up and sprinkle the mixed herbs underneath. Sprinkle