Pappardelle Alla Bolognese

Ingredients

• 2 tablespoons grapeseed or other mild vegetable oil
• 2 cloves garlic, thinly sliced
• 1/2 pound chicken livers, pureed in a food processor until smooth
• 1 pound sweet italian sausages, casings removed
• 1 sprig fresh rosemary
• 1 pound ground pork
• 1 pound ground lamb
• 1 pound ground veal
• 1/2 cup full-bodied red wine
• one 1-pound 12-ounce can peeled whole san marzano tomatoes
• 3 cups cold water, swirled in the emptied out tomato can
• 2 cups all-purpose flour
• 3 eggs
• 2 teaspoons extra-virgin olive oil
• 1 teaspoon kosher salt
• rice flour for dusting
• 1 cup heavy cream
• 1 teaspoon kosher salt
• 1/4 teaspoon freshly ground black pepper
• 1/2 cup pasta cooking water
• grated parmesan cheese, optional garnish