Savoyard biscuit

Preparation time: 45 min

Preheat your Oven at 375 °F

• Biscuit

  Mix the flour and the corn starch together.

  In a bowl, whisk vigorously the yolks with 150 grams of sugar.

  Beat the egg whites until stiff then add the remaining 20 grams of sugar.

  Fold the egg whites into the yolk/sugar mix with a spatula.

  Add the flour and corn starch mix and fold it all together.

  Add the lemon zest.

• Baking

  Line the mould with butter and sugar.

  Pour the batter up to 3/4 of the height.

  Bake at 375°F (180°C) for 15 minutes.

  Then lower the heat down to 325°F (160°C), slightly open the door and bake until you get a golden brown color.

  Unmould when just out of the oven and leave to cool on a rack.