Put bread into food processor and make into crumbs. Set aside. Beat egg slightly and set aside. Mix nutmeg, salt and pepper and parmesan cheese with the ground meat. Make balls and press a blanched vegetable in the center of each ball; make sure the meat is all around the vegetable. Dip balls into egg and then into bread crumbs and deep fry for 6 to 8 minutes until golden brown. Drain. Pour sauce over cooked spaghetti and add meatballs. Sprinkle with more parmesan cheese if desired. Garnish with fresh parsley.