Transfer the ground meat to a bowl, add the grated Parmigiano Reggiano DPO cheese and the egg (16 ... beat the eggs with salt ...
The olives can be stuffed and breaded ahead of time. You can even fry them in advance and keep them warm in a low-temperature oven. The only labor-intensive part is stuffing the olives ...
Spoon into a baking dish. Mix the hazelnuts, crumbs and cheese together and spoon over the top of the red cabbage. Cook in a 180oc oven for 20 minutes or until bubbling and golden on top.