01 -
Mix the flour, olive oil, lukewarm water, and salt together in a bowl. Knead until you get a smooth ball of dough. Add a splash of water if it feels too dry.
02 -
Roll out the dough on a floured surface, then transfer it to a tart pan. Let it chill in the fridge.
03 -
Wash the leek whites and either steam or boil them for 15-20 minutes. Slice them lengthwise into quarters and separate the layers. Let them dry off on a clean kitchen towel.
04 -
Preheat your oven to 180°C. Using a fork, poke holes in the base of the dough. Bake it for 20 minutes to precook it.
05 -
Whisk together the egg, milk, salt, and herbs. Arrange the leeks in a spiral pattern on the precooked dough. Pour the egg mixture over and bake for another 20-30 minutes until the quiche turns golden brown and set.