Chubby Hubby - Tagliatelle al ragù alla Bolognese

Ingredients

• beef cubes
• 400grams stewing pork cubes
• 2 medium onions, peeled
• 2 medium-size carrots, peeled
• 2 celery stalks
• 115grams unsalted butter
• 4 tablespoons olive oil
• 800grams canned tomatoes (about 2 cans), preferably Italian, drained
• 1 cup dry white wine
• Salt and freshly ground black pepper
• Freshly grated nutmeg
• 1½ cups warm beef broth (preferably home made)
• 1½ cups heavy cream (preferably organic)
• 55grams unsalted butter
• Freshly grated Parmigiano-Reggiano