How to make Quiche Lorraine?

Preparation time: 30 mins to 1 hour
Cooking time: 10 to 30 mins

Ingredients

For the pastry
180g/6¼oz plain flour, plus extra for dusting
100g/3½oz cold unsalted butter, cubed
50g/2oz parmesan, grated
2 tsp thyme, leaves only
1 free-range egg yolk
1 tsp chilled water (more if needed)
For the filling
3 free-range eggs
150g/5¼oz pancetta, cubed
250ml/9fl oz crème fraîche
150g/5¼oz Gruyère
freshly ground black pepper

Preparation method