It happens because the lids have shrunk during cooking. Pastry that has been chilled for 20-30 minutes before rolling will relax and shrink less. Short, light strokes are also important when rolling out pastry as pushing the rolling pin heavily
You can make a flan case using light olive oil. This pastry is not as short as traditional shortcrust and will have a firm texture that needs careful handling.Sift 250g (2 cups) of plain flour into a bowl with a