10 oz. ground beef chuck or veal
10 oz. ground pork shoulder
2 oz. minced pork fat or unsmoked bacon
2 oz. prosciutto, minced
1 1⁄4 cups loosely packed flat-leaf parsley leaves, minced, plus more for garnish
2 tsp. dried oregano
1 1⁄2 tsp. fennel seeds
1 tsp. crushed red chile flakes
1⁄2 tsp. ground cumin
1⁄4 tsp. ground allspice
7 slices white bread, finely ground in a food processor
Kosher salt and freshly ground black pepper, to taste
2⁄3 cup ricotta, drained in a strainer for 2 hours
2 tbsp. milk
3 eggs, lightly beaten
6 tbsp. extra-virgin olive oil, plus more for greasing
1⁄4 cup dry red wine
4 cups canned tomato purée
1 cup beef or veal stock or water
Grated Parmesan, for garnish