Short Rib Bolognese with Hand-Cut Pappardelle - Lettuce Entertain You

Ingredients

• 250 grams (approximately 2 cups) “00” fine flour, plus more as needed
• 10 large egg yolks
• 5 lbs. boneless beef short ribs
• Kosher salt and freshly ground black pepper
• ¼ cup grapeseed oil
• 1 large onion, chopped
• 4 cloves garlic, chopped
• One 15-oz. can tomato puree
• 1 qt. chicken stock
• ¼ cup olive oil
• 6-8 whole roasted tomatoes (or 15-oz. can fire-roasted whole tomatoes)
• 4 Tbsp. (half stick) unsalted butter, cubed and chilled
• 2 Tbsp. chopped parsley, plus more for garnish
• 1 cup grated Pecorino Romano cheese, plus more for garnish