In the bowl of an electric stand mixer, add the eggs, flour, butter, and sugar and blend.
In the bowl of an electric stand mixer fitted with a whisk, whip the egg yolks with half of the superfine sugar (1). Then, whip the egg whites with the other half. Using a silicone spatula, gently fold the mixture with the flour.
In the bowl of an electric stand mixer fitted with a dough hook, add the yeast, flour, salt, butter, and honey. Knead on the second speed setting, gradually adding the eggs and then the milk. Knead until the dough comes completely away from the sides of the bowl.
Preheat the oven to 180°C. On a baking sheet, spread the batter to a
thickness of 12 mm, sprinkle with superfine sugar (2) and confectioners’ sugar, and bake in the oven for 10 minutes.