1. Boil the rice until it is ¾ cooked, drain and leave to cool.
2. Remove the boar sausage from its casing and sauté in a pan with finely chopped celery, carrot and onion.
3. Deglaze with red wine and cook until obtaining a white ragù sauce.
4. Incorporate the red chicory sauce into the ragù and season with pepper.
5. Once the ragù has cooled add it to the cold rice and to the grated grana cheese, mixing thoroughly.
6. Spread this mixture in a non-stick oven pan and bake at 200° for 12/15 minutes.