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MORTAR & KETTLE
Apothecary of Flavor
The Index
HERBAL TEA · 24 RECIPES

Herbal Tea Blends

Every blend here is written the way a formulary would write it: exact gram amounts, water temperature, steep time, and the named compounds that do the work. Not calming herbs in general, but apigenin, the chamomile flavone the sleep literature keeps returning to. Not soothing mint, but menthol, weighed and sourced.

The shelf is arranged by what a blend is for. Sleep and calm lean on chamomile, lavender, and star anise. Digestion runs on mint, fennel, anise, and ginger. Focus pairs sage with black tea, and the warming milk teas carry rose, ginger, and jujube.

No blend claims more than its chemistry can carry. Where a compound drives an effect, it is named, drawn, and traced to its plant; where the evidence is thin, the recipe says so instead of reaching.

FROM THE JOURNAL

The reading behind these recipes

Most of the world's citric acid has never been near a lemon
№45Chemistry

Most of the world's citric acid has never been near a lemon

Every sour thing in the kitchen leads with one particular acid, and the fruit it is named after is usually not where it comes from any more. A look at citric, tartaric, malic and acetic, what each does to flavour, and why vinegar has no legal definition at all.

30 August 2026·10 min read·6 SOURCES
A third of people taste something when you warm the tongue
№38Senses

A third of people taste something when you warm the tongue

Put nothing in the mouth. Warm the tip of the tongue from 20 degrees to 35 and a good fraction of people report sweetness, from plain deionised water. In 2020 the effect was switched off with a compound that blocks the sweet receptor, which means temperature is opening the same door sugar opens.

14 August 2026·12 min read·14 SOURCES