1 1/2 cups fresh bread crumbs
1/2 cup milk
4 oz. finely chopped prosciutto
1 lb. ground beef
1 lb. ground pork
2 eggs, lightly beaten
1/2 cup grated Parmigiano-Reggiano cheese
2 Tbs. finely chopped fresh flat-leaf parsley
2 tsp. finely chopped fresh oregano
6 Tbs. finely chopped fresh basil
5 garlic cloves, minced
1 tsp. kosher salt, plus more, to taste
1/2 tsp. freshly ground pepper, plus more, to taste
5 Tbs. olive oil
1 yellow onion, diced
1 can (28 oz.) crushed tomatoes with juices
Gnocchi alla Romana for serving (see related recipe at left)