Spinach pie 1- tourte aux épinards

This is a no brainer. Usually if I make a savoury pie, quiche or tourte it's because I want to empty the fridge of bits & pieces. This is one of my cheat recipes (i.e. don't feel like cooking)

1 cup frozen spinach
2 layers puff pastry or filo dough
1 large onion
6 tbsps lardons (or bacon: optional)
1 egg
Crème fraiche or heavy cream
parmesan or any cheese hanging ou in the fridge
salt & pepper
pinch of nutmeg
Butter

Preheat oven medium heat
Line pastry dish with wax paper
Sauté onions with lardons or bacon
Zap frozen spinach in microwave. Squeeze out any excess water
Add spinich to onions, cook down any excess liquid.
Add seasonings
Add créme fraiche or heavy cream
Add beaten egg
Sprinkle grated cheese
Place puff pastry on dish
Add filling
Cover with another layer of puff pastry
Zap a few tbsps butter in microwave
Spread over top pastry layer
Make incisions on pastry
Bake about 30 min