Fermentation Atlas · Drink
Black Tea Kombucha
- Intermediate
- 30 min
- roughly 1 of 4 for cost
- Vegetarian
- Vegan
Leads with savory depth stacked from the pantry’s bass notes, a floral thread lifting the aroma.
Ingredients
- 3.5 litres filtered water
- 20 g loose black tea
- 250 g white sugar (about 70 g per litre)
- 350 ml mature unflavoured kombucha, as starter (10 percent by volume)
- 1 kombucha pellicle
- 350 ml fruit juice, for the second ferment (optional)
The skills inside
Low & slow smokingFermentation
Allergen screen
None found among the 14 screened.
Screened for: gluten, dairy, egg, nuts, peanuts, fish, shellfish, molluscs, soy, sesame, celery, mustard, lupin, alcohol. Not screened: sulphites.
Screened by keyword from the ingredient list, not reviewed by a person; check every label for what the list cannot show.
Method
- Steep the tea in 1 litre of just-boiled water for 10 minutes, strain, and stir in the sugar until no grain is left on the bottom. 10 min
- Top up with cold water to 3.5 litres and let it fall below 30C (86F) before it goes near the culture; above 40C (104F) the heat kills it.
- Add the starter liquid and the pellicle, cover with tight-woven cloth under a band, and hold at 22 to 26C (72 to 79F).
- Taste through a straw from day 7. It is ready when it is sharply tart with only a trace of sweetness behind it, around pH 3.0, usually day 8 to 14.
- For fizz, decant into pressure-rated swing-tops with 10 percent fruit juice, leave 2 to 3 days at room temperature, burping one bottle daily as a gauge, then refrigerate to stop it.
How to tell it is going right
This dish has no standard of its own yet. It is judged on the techniques it exercises: checked at the pan, while there is still something to be done about it.
Low & slow smoking 12 recipes
- The smoke coming off is thin and blue, not white and rolling. White smoke is unburnt fuel and it deposits soot and acrid phenols; a fire drawing enough air to burn its own smoke is what perfumes rather than tars.
- The chamber held its temperature within a narrow band for the whole cook, adjusted with the air intake rather than by adding fuel in armfuls. A pit swinging fifty degrees cooks the outside twice and the middle once.
- The stall was expected and waited out or wrapped through deliberately, not chased with heat. A brisket that sits at 70C (158F) for three hours is losing exactly as much water as it needs to; the cook who turns the fire up renders it dry.
- Doneness was judged by feel and by probe, never by the clock: the probe slides in with no resistance anywhere, and the number that matters is the one where the collagen has gone, not a time per kilo.
- It rested long and warm, an hour or more, wrapped and out of any draught. Cut straight off the pit and the juice runs onto the board instead of staying in the slice.
Where it goes wrong The fire was fed for temperature rather than for combustion, so it smouldered: white smoke, a bitter deposit on the surface, and a swing in the chamber every time more fuel went on. Then the stall was read as a stall in progress rather than evaporation doing its work, the heat went up, and the meat finished dry with a hard grey band under the bark.
Fermentation 53 recipes
- Held somewhere with a steady temperature it can actually work at, chosen on purpose rather than wherever there happened to be room.
- There is visible activity before it is called started: bubbles, rise, or movement in the liquid. A ferment showing nothing after its first hours is not slow, it is not going.
- It smells clean: sour, yeasty, or alcoholic, with nothing putrid, and with nothing fuzzy or coloured growing where air meets it.
- Everything is under the liquid or under a cover, as the method requires: nothing solid left sitting dry in the air to spoil while the rest works.
- Judged by taste and behaviour and then STOPPED: chilled, baked, or refrigerated at the point wanted, rather than left running because the stated hours had not elapsed.
Where it goes wrong It was run on the clock in a kitchen colder or warmer than the recipe assumed. Fermentation is a rate and not a duration, so the same number of hours gives an under-developed ferment in a cold room and a slack, over-soured one in a warm one, and only tasting it would have said which.
At the Table
- The Pour
- It is the pour
- Also Right
- Serve alongside something salty and fried
- From the Taps
- -
- Zero-Proof
- Already zero-proof unless you made it otherwise
This is the glass, not the plate: judge it on temperature, dilution, and balance, and let the food do the answering.
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