1: Roll out the puff pastry, prick all over with a pique-vite (pastry pricker) and line the tart tin or mould (10"or 26 cm here). If you are using ready-rolled pastry, you can leave the layer of cooking parchment underneath in the tin. Put back in the fridge to wait.
6: Take the pastry case out ot the fridge, line with a sheet of paper and fill this with beans, ceramic baking beads (or similar) for "blind" baking. Bake for 15 minutes, low in the oven.
7: After this, remove the paper and beans/beads to uncover the bottom of the pastry case.