Ingredients

• 4 cups marinara sauce
• 1 pound ground turkey
• 1 pound dried spaghetti
• 1 1/2 cups (1-inch diced) crustless cubes of rustic bread, pulsed into breadcrumbs
• 1/4 pound sweet Italian pork sausage, casings removed
• 1/2 cup freshly grated aged Asiago cheese, plus more for serving
• 1/3 cup whole milk
• 2 ounces thinly sliced prosciutto, finely chopped
• 1/4 cup minced fresh parsley
• 1 egg, lightly beaten
• 1 1/2 tablespoons good olive oil, plus extra for brushing the meatballs
• 1/2 teaspoon dried oregano
• 1/2 teaspoon crushed red pepper flakes
• Kosher salt and freshly ground black pepper