Weekend Braised Beef Ragu with Pappardelle意式炖牛肉酱配意大利宽面15ml olive oil 橄榄油 1kg chuck roast, cut into 4 pieces 牛肩肉切块 1 medium onion 洋葱碎 6-8 cloves of garlic 蒜瓣300ml beef broth 牛高汤30g tomato paste 番茄膏balsamic vinegar to taste 意大利黑醋适量840g tomatoes 去皮番茄420...