Ragu Bolognese

INGREDIENTS

• 1/2 cup extra virgin olive oil
• 1/2 cup butter
• 1 cup minced onion
• 1/2 cup minced celery
• 1/4 cup minced carrot
• 1 pound ground veal
• 1 pound ground pork
• 1/2 pound ground beef
• 1/4 cup finely chopped pancetta bacon
• 1/2 cup milk
• 2 cups tomato sauce
• 2 cups beef broth