Add the eggs and the zests. Keep stiring until you get a homogeneous texture.
In other salad bowl, mix the flour, the yeast, the salt and the cinnamon.
Gradually add the flour in the oil/eggs/sugar mixture, alternating with the yogurt and the juice of 1/2 lime. Mix until you get a homogeneous dough. Pour in a greased mold.
For finishing
Peel the apples and slice them into thin strips.
Distribute them on top of the dough, sprinkle with sugar/cinnamon.