今天拿铁出杯味道忽酸忽苦,我怎么查到磨豆机漂了

今天饮品店早班客人反馈拿铁味道不稳定,第一杯偏酸,后面又偏苦。豆子、牛奶都没换,我先记录 shot time、粉量、萃取重量和水温,发现高峰时磨豆机刻度被不同员工微调过,recipe 没有回到基准。处理时我让店员按 18g in、36g out、目标 28 秒重新 dial in,并把调整记录写在班次表。经验是咖啡出品稳定靠数据,不靠"差不多"。建议同行高峰前做一次 grinder calibration,谁调过、为什么调、调到多少都要留痕。我还要求每个班次第一小时记录两次萃取数据,尤其是天气湿度变化大时,粉量和研磨度漂一点,客人喝到的差别就很明显。下午我还让新人用同一 recipe 连续做三杯,比较口味和数据,训练他们把"好喝"拆成可操作的参数。

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