Ingredients for 6 servings

servings
  • 190 g (6.75 oz) of small bacon pieces
  • béchamel sauce
  • 2 medium onions
  • oil
  • 400 g (14 oz) of Type T55 flour
  • 3 egg yolks
  • 70 g (2.5 oz) of butter
  • 15 cl (0.6 cup) of milk
  • 9 g (0.3 oz) of baker's yeast saf
  • small 1/2 teaspoon of salt
  • 2 generous handfuls of grated cheese