It all starts with a cup of bubble tea – one that’s of inferior quality.
It upsets me every time when I get a bad cup of bubble tea from a bubble teas outlet that’s supposed to deliver a good one based on past experience. From time to time, there’s this gap between reality and expectation. Be it Chatime, Ding Tea, Tea Garden, or Kalakap, the quality is not consistent. It’s like I give RM5.90 with a chance of getting something that disappoints my taste buds.
Then one must ask, “what went wrong?” Making a bubble tea is easy, but there are still many things that can go unnoticed and ruin the drink.
Pearls are inseparable from bubble teas, and oftentimes they are the prime cause of low quality. How do these bubble teas outlets source their pearls? Are there any inspections on the color, texture, size, weight, and shape upon receiving the pearls from their suppliers? How about the water used to make teas? Do they even inspect the water of its odor, quality, and color? The water today might taste fine, but it doesn’t guarantee it will taste OK tomorrow. As we all know, our water quality only gets worse – not better. In addition to pearls and water, there are other ingredients that require inspection, such as tea leaves and sugar powder. Further, is it full inspection or random sampling? If it’s random sampling, how many percentage of them is inspected so as to provide a confidence level high enough that we can comfortably say the rest is all good? Apart from that, are all the ingredients stored properly to maintain the freshness and quality and used on FIFO principle?
Then there’s the employee side. The process of turning raw materials to finished goods is critical and relies on the employees. When they cook the pearls, what’s the temperature required? What is the water to pearls ratio? How long do they keep the water boiling when it reaches 100 degree Celsius? How about the teas that go into the drinks? We know it’s batch production, so how long can they be kept? From morning till night? At Starbucks, regular coffee can be kept just for a few hours. If unsold, the baristas pour it and make a fresh batch. That way they make sure the coffee they serve meets Starbucks’ quality requirement. Needless to say, the same thing needs to be done for bubble teas.
Is there any visual management in place to ensure the right ingredients are used? Also, is poka yoke (mistake-proofing) concept used to make certain that the right amounts of ingredients are put into the drinks? Now that most bubble teas outlets allow customers to specify the amounts of sugar and ice they prefer. Therefore, what are “less sugar” and “less ice”? Are they defined and understood by all employees?
While it’s easy to make bubble teas, it’s not so easy to make good bubble teas consistently.
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