This delicious Italian slow cooker Veal Osso Buco casserole by Olivia Andrews has been brought up to date with a kale gremolata, made with kale, garlic, lemon juice, lemon zest, and extra virgin olive oil. To make Veal Osso Buco in your slow cooker or crockpot, brown the veal and onions, add wine and spices,…