You have leftovers of panettone and pandoro and you don’t know what to do with them: it is a tragedy that you can solve by cutting the panettone or pandoro in layers and making it in various ways. Then you will notice a strange fact: the cake with panettone or pandoro has exactly the same taste as panettone and pandoro, in fact it is a recycle, but you seem to always eat the same stuff no matter how much you stuff it, adding calories to calories.
If you are looking for a recipe with panettone or pandoro that are in short original but also taste different, or that do not lead you to spend a hundred euros in order not to throw away three euros of dessert, here are my suggestions, lighter on average even in calories than most of the things read.

RECIPES WITH PANETTONE OR PANDORO: THE BEST IDEAS
The apple pie with panettone: simple and very easy, less caloric than a portion of panettone. Here.
Another apple pie with panettone: the cool thing here is that the panettone is crumbled and you can also do it half pandoro and panettone. The rest of the ingredients are simple and also includes yogurt. Here the recipe.
Panettone Muffins: Here too , we have ingredients for normal muffins and nothing elaborate.
French toast with panettone or pandoro:traditional American recipe, which you can make all year round by cutting the pandoro or panettone into slices and freezing it, then defrosting the slices, passing them in the beaten egg, browning them for two minutes in a pan in a peanut of butter, and sprinkle with cinnamon and mixed berries (or compote of your choice).