Quiche, Tart and Pie all these three are French Shortcrust Pastries with some sort of filling over their crust bases. All these three are almost similar with no much differences. To know everything about Shortcrust Pastry in detail, Click Here https://foodiegarima.com/shortcrust-pastry-and-its-types/ Quiche: Tart: Pie: This Apple Pie is not homemade.