Preheat the oven to 180 °C.
Separate the whites from the yolks.
Mix the yolks and the sugar, then add the juice of the 2 oranges and the Neo-Flour alternately.
Beat the egg whites.
Gently fold the whites into the dough.
Add the orange zest.
Pour in the yeast and mix gently.
Put in the oven for 18min.