There’s no true standard size ... all-butter pie dough (using Erin McDowell’s Perfect Pie Crust recipe) to learn how evenly each dish could bake a more finicky, less consistent dough.
This recipe is from Delia's Happy Christmas ... Brush each one with milk and make three snips in the tops with a pair of scissors. Bake near the top of the oven for 25-30 minutes until light golden ...