• Gruyère cheese (opcjonalnie) , cut in pieces

  100 g

Pastry

• butter, unsalted , cut in pieces, plus extra for greasing

  150 g
• flour , plus extra for dusting

  300 g
• salt

  1 tsp
• water

  100 g

Filling

• bacon cubes

  400 g
• eggs

  8
• milk

  100 g
• crème fraîche

  200 g
  200 g cream
• salt

  ½ tsp
• ground black pepper

  4 pinches