Dice the bacon.
Cook the bacon in a non-stick skillet over medium heat until crispy.
Clean the leeks and slice them into strips.
Cook the sliced leeks in the same pan used for the bacon.
Deglaze with half a glass of white wine.
Let the wine evaporate and cook the leeks until they become soft.
Let the bacon and leeks cool.
Break the whole eggs into a large bowl.
Whisk the eggs with a whisk.
Add the milk and creme fraiche.
Add salt, pepper, and freshly grated nutmeg.
Add the bacon and leeks.
In an 8-inch quiche pan, press the shortcrust pastry firmly.
Make small holes with a fork in the shortcrust pastry.
Pour the mixture into the quiche pan.
Ensure that the entire mixture is evenly distributed.
Grate a generous amount of Parmesan cheese on top to create a beautiful crust.
Bake in a preheated oven at 180°C/375°F for 45 minutes.
Serve hot. Enjoy!