SPICE ALMANACA visual guide to flavor

Ajwain vs thyme

Ajwain looks like a tiny seed and thyme like a leafy herb, yet they share a flavor, because both are rich in thymol, the compound behind thyme's scent. Ajwain just carries it far more intensely.

Ajwain
No. 89

Ajwain

Sharp, thyme-like, pungent, bitter

strong

Ajwain, or carom seed, is the tiny seed of Trachyspermum ammi, a plant in the carrot family from the Indian subcontinent. Though the seeds look like miniature cumin, they taste powerfully of thyme, because they share the same compound, thymol, in a concentrated form. A little is intense and slightly bitter, so it is used sparingly, fried in oil for tempering or kneaded into flatbreads, savory pastries, and bean dishes. It is most at home in North Indian cooking, where it cuts richness and adds a sharp, herbal lift. Whole seeds keep their punch well.

Thyme
No. 23

Thyme

Herbal, savory, minty, peppery

medium

Thyme is the small-leaved Mediterranean herb Thymus vulgaris, in the mint family, with a warm, savory, slightly minty and peppery flavor that holds up well to long cooking. It is one of the most versatile herbs in Western kitchens, a member of both bouquet garni and herbes de Provence, and it pairs with almost any meat, bean, tomato, or root vegetable. Thyme dries well and keeps much of its character, which makes it a pantry staple as well as a garden one. Strip the tiny leaves from the woody stems, or simmer whole sprigs and pull them out.

Which to use when

Use thyme when you want a soft, savory, slightly minty herb to season chicken, beans, and tomato. Use ajwain when you want a concentrated, sharp thyme note with a pungent bite, common in Indian breads, lentils, and fried snacks, where a small pinch goes a long way. Ajwain is the louder of the two, so use far less of it than you would thyme.

Common questions

Why does ajwain taste like thyme?
Because both contain thymol, the aromatic compound that gives thyme its flavor. Ajwain is so concentrated in it that a few seeds can taste stronger than a spoonful of thyme.
Can I substitute thyme for ajwain?
Yes, as the closest easy swap. Use a bit more thyme, ideally with a tiny pinch of cumin, to echo ajwain's sharper, earthier edge. The result is milder.
What is ajwain used for?
It seasons Indian flatbreads, lentil dishes, and fried snacks, where its strong thyme-like flavor and pungency stand up to rich, starchy food.

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