Puff pastry tart with smoked bacon, onion and potato recipe Save Save A simple tart layered with sliced potato and onion, served with dollops of crème fraîche Credit: Yuki Sugiura Diana Henry, The Telegraph's award-winning cookery writer 30 March 2021 ⢠12:58pm Follow Prep time: 10 minutes | 2 large onions, thinly sliced 25g butter ½ tbsp chopped parsley (optional) METHOD Roll out the pastry to make a 35.5cm circle and put it on a lightly floured baking-sheet. Prick all over with a fork. Put a circle of greaseproof paper on top (measuring about 6cm less than the pastry)...