Flaky doughnuts

Ingredients

• 1 puff pastry sheet
• 1 cup milk
• 2 egg yolks
• 1 vanilla bean
• 1/3 cup sugar
• 1 ounce corn starch
• 1 egg
• icing sugar

Materials

• piping bag

Preparation

• Unroll your pastry sheet, and using a cookie cutter or glass, cut circles in it.
• Take a circle of pastry, and apply some beaten egg on the rim. Put another circle on top of it, and press on the rim to seal.
  
• Put those on a baking tray, brush with beaten egg and sprinkle icing sugar on them. Bake 20 minutes at 350°F (180°C).
• Vanilla custard :
  Put the milk to boil with the sliced vanilla pod and its seeds.
  Meanwhile, put the yolks in a bowl with the sugar. Beat it energetically, until the mix gets creamy. Add the corn flour and mix well.
  
• Once the milk has boiled, add it gradually to the previous mix. Then put everything back in the pot, and put it back on a medium heat.
• Stir constantly with a wooden spoon, until the cream thickens, as it is wanted. This lasts around 10 minutes Take out of the heat, then cover directly against the cream with plastic foil. Leave to cool down.
  
• Take a doughnut of puff pastry, make a hole on its side using a knife. Using a piping bag, fill it with vanilla custard.
• There you are, your flaky doughnuts are ready!