Pasta alla Norcina (Creamy Pasta With Sausage) Recipe

Name: Pasta alla Norcina (Creamy Pasta With Sausage) Recipe
Prep time: 5 min
Cook time: 25 min
Total time: 30 min
Cuisine: Italian
Ingredients: 12 ounces (340g) coarsely ground pork, chilled (see note); 1 large garlic clove (8g), minced; 1 1/2 teaspoons (6g) Diamond Crystal kosher salt; for table salt use half as much by volume or the same weight; 3/4 teaspoon (2g) freshly ground black pepper; Pinch freshly grated nutmeg; 2 tablespoons (30ml) dry white wine, chilled; 2 tablespoons (30ml) extra-virgin olive oil; 1 recipe sausage mixture (from above) or 12 ounces (340g) fresh pork sausage (4 links), removed from casing (see note); 1 small yellow onion (about 3 1/2 ounces; 100g), finely chopped; 1/2 cup (120ml) dry white wine; 1 cup (240ml) heavy cream; Kosher salt and freshly ground black pepper; 12 ounces (340g) dried, short, tubular pasta such as penne or rigatoni or long fresh egg-dough pasta such as tagliatelle or fettuccine; 1 1/2 ounces (45g) finely grated Pecorino Romano, plus extra for serving; Freshly grated nutmeg, for serving; Freshly shaved or grated black truffle, for serving (optional; see note)