Ingredients
500g of leeks
4 tbsp of flour
75g grated Gruyere cheese
200g of smoked bacon
25cl of milk
3 eggs
Preparation
Step 1
Blanch the white part of the leeks.
Step 2
Fry the bacon and add the flour off the heat to form a homogeneous but thick mixture. Add the blanched leeks. Season to taste.
Step 3
Dilute with milk to obtain a thick béchamel sauce. Add the 3 egg yolks one at a time while stirring vigorously, then add grated Gruyere cheese.
Step 4
Beat the egg whites until stiff and gently fold them into the mixture.
Step 5
Pour the mixture onto the dough (choice of pie or puff pastry) and sprinkle with grated Gruyere cheese.
Step 6
Bake in a preheated oven at 180°C (thermostat 6) for about 30 minutes.
Utensils
1 mixing bowl
1 frying pan
1 grater
1 whisk
1 oven
1 kitchen scale