http://www.xinshipu.com/%E5%9B%9B%E5%B7%9D%E9%BA%BB%E8%BE%A3%E7%81%AB%E9%94%85-65444.htm
must have:
老姜,牛油,牛尾骨,郫县豆瓣酱,永川豆豉,花椒,干辣椒,醪糟汁
http://www.xinshipu.com/%E5%9B%9B%E5%B7%9D%E9%BA%BB%E8%BE%A3%E7%81%AB%E9%94%85-65444.htm
must have:
老姜,牛油,牛尾骨,郫县豆瓣酱,永川豆豉,花椒,干辣椒,醪糟汁