Maybe more than any other desert, the Colomba comes from an antique story and rich suggestions coming from the Bible and legends.
It could descend from the focaccia bread.
This pastry has a natural leavening with some later “adjustments” . It is different from the panettone because of the absence of raisins, instead of them there are only candied orange zest. On the surface, to increase the goodness of this pastry, there is some royal icing and almond pastry.