Christmas Pasta Sauce

Ingredients

• extra-virgin olive oil
  ¼ cup
• carrot
  1 small
• onion
  1 small
• celery stalk
  1 small
• garlic clove
  1 large
• Italian sausage
  1 lbs
• ground beef
  ⅓ lbs
• pancetta

  diced
  6½ oz
• salt
  ½ tsp
• freshly ground pepper
  ½ tsp
• freshly grated nutmeg
  ¼ tsp
• dry red wine
  ½ cup
• tomato paste
  ½ cup
• Italian tomatoes

  chopped
  1 cup
• parsley
  2 tbsp
• dried porcini mushrooms (to taste)
  1 unit