This pastry is great for so many things. If in doubt about which pastry to use, use this short crust pastry.
It is also easy to make this in a food processor. And you can make instant pastry mix: double the quantities and follow the steps to just before adding water when you have a crumb. Then pop some of the mix in a Tupperware in the freezer. Then you can take out as much as you need any time and just add water for instant pastry.