The Harder Problem Is Making It Taste the Same

Level: Enthusiast

Making good coffee is an exercise. Making the same coffee a thousand times running is engineering. The second is the harder problem, and almost nobody notices it, because it only becomes visible when it fails.

Just west of Sofia, in Bozhurishte, that problem is solved at industrial scale. The plant was built in 2003 and is the production base of Balkam Group, the company behind Spetema. The brand itself dates from 1999 and now sits on supermarket shelves across Bulgaria, bought by people who never think about where it comes from.

Scale is what makes the problem interesting. A specialty roastery works a few kilos at a time, and every sack is its own event with its own profile and its own name on the label. A plant whose capacity covers a national market runs on different logic. Repeatability there is not an ambition, it is the condition of staying in business.

Why sameness is harder than quality

Coffee is an agricultural product. The same farm yields differently from year to year, and a single origin shifts with rainfall, temperature and the day the cherries were picked. Buy one lot and roast it once and none of that touches you. Sell the same blend every week for years and it becomes your main job.

The answer is not to find a bean that does not change. There isn't one. The answer is to keep rewriting the recipe so the result stays put. It sounds like a contradiction and it inverts the intuition: for the taste to hold still, the composition has to move.

This is also the split that confuses most people at the shelf. Single origin coffee promises a specific place and a specific harvest, so it changes openly. A blend promises a flavour, so it hides the movement behind it. Two different contracts with the buyer, not a better and a worse one.

What controlling the chain actually means

Balkam Group describes its work as control over the whole chain: green coffee in, packing on site, distribution out. That is less a marketing line than a map of where flavour can go wrong.

Each of those steps has its own way of ruining a batch. Green coffee stored at the wrong humidity roasts differently. A bag without a one-way valve lets carbon dioxide out and takes the aromatics with it. A warehouse without temperature control ages the coffee faster than the roaster planned for. A company holding all three has a chance. A company subcontracting them to three suppliers is relying on luck.

Processing at Bozhurishte is close to fully automated. Automation here is not a fashionable word but a way of removing human judgement from the places where it gets tired. A roaster reads bean colour well at nine in the morning and worse at six in the evening. A sensor reads it the same at both hours.

The reference sample

The mechanism that holds a blend in place is simpler than it looks. The roastery keeps a sealed reference sample of the target profile. Every production batch is cupped blind against it.

That is how one blend can have a different composition in March and in September and still be the same product. The promise is made to the flavour, not to the bean.

It is also why a mass-market coffee cannot afford to experiment. A specialty roastery is allowed to surprise you, and is rather expected to. A plant has no such licence. Its job is to surprise you exactly never.

What this is worth at the shelf

The practical consequence is small and useful. If you buy the same coffee and it suddenly tastes different, check yourself first: the water, the dose, the grinder, the roast date on the pack. With a blend from a plant that controls its chain, the odds favour the difference being in your cup rather than in the bag.

And if you want the taste to move, buy coffee that promises movement. That is a different product and a different contract.

Next time you open a pack of the same brand and the flavour is exactly where you left it, that is not a coincidence. Consistency is the most expensive thing a plant makes, and the only one nobody thanks it for.

This piece is part of a Slow Made City season with Spetema as partner. The season's subject is consistency and the craft behind it.