Italian-style Bolognese (Ragù)

ادامه ویدیو ها در سایت زیر Bolognese (Ragù) - 1 tablespoon olive oil - ¼ cup butter - 50 g - 1 medium onion finely diced - 1 large carrot finely diced - 1 stalk celery finely diced - 4 oz pancetta - 100 g diced - 7 oz lean beef - 200 g minced - 5 ⅓ oz lean pork - 150 g minced - ¾ cup red wine - 200 mL - 2 tablespoons double concentrated tomato puree - 2 cups chicken stock - 500 mL To serve - 2 cups tagliatelle - 40