-
Sift the flours
and icing sugar into a large bowl and rub in the
butter using your fingertips until the mixture
resembles fine breadcrumbs.
-
Make a well and add
the egg yolk and almost all the water. Mix with
a flat bladed knife, using a cutting action,
until the mixture comes together in small beads,
adding more water if the dough is too dry.
-
Gather together and roll out between two sheets
of baking parchment. Divide the dough into 12
equal portions and roll each portion out to fit
the base and sides of a 10cm/4in loose-bottomed
fluted tart tin.
-
Line 12 tins with pastry and
refrigerate for 20 minutes. Preheat the oven to
180°C/350°F/Gas mark 4. Line each pastry with
crumpled baking parchment and baking beans.
-
Place on baking trays and cook for 10 minutes.
Remove the paper and beans and bake for a
further 10 minutes. Cool, then brush the base
and sides of each pastry case with the egg
white.
-
Reduce the oven temperature to
150°C/300°F/Gas mark 2. For the filling, whisk
the eggs and milk in a bowl to combine. Add the
sugar gradually, whisking to dissolve
completely.
-
Stir in the vanilla essence. Strain
into a jug, then pour into the pastry cases.
Sprinkle with the nutmeg and bake for 25
minutes, or until the filling is just set. Serve
at room temperature.