Preheat the oven to 325 degrees F.
In a medium Dutch oven heat the olive oil over medium-high heat.
Season the osso buco heavily with sea salt and cracked black pepper, then dredge heavily in the all purpose flour. Add the ossobuco to the pan and sear until brown on both sides.
Reduce heat to medium-low and add wine, marinara sauce, and basil. Cover with lid and place into the oven. Cook for 3-4 hours or until the meat is extremely tender.
Once the beef has braised, remove from the oven and carefully remove the twine from the braised meat using a pair of kitchen shears.
Serve on top of a pile of risotto and sauce generously with the braising sauce, crumble the crispy prosciutto on top, follow with bread crumbs, grana padano cheese and oregano flowers. Serve immediately.