Ingredients for 8 servings

  • 185 g (6.5 oz) of sifted flour.
  • 100 g (3.5 oz) of cold butter.
  • 6 to 8 cl (0.3 cup) of ice water.
For the filling:
  • 2 tablespoons of olive oil.
  • 1 kg (2.2 lb) of red onions finely sliced.
  • 1 tablespoon of brown sugar.
  • 18 cl (0.75 cup) of liquid cream.
  • 3 eggs.
  • 100 g (3.5 oz) of crumbled blue cheese
  • a little thyme flowers.
  • salt and pepper.