Ajwain substitute

Best substitute

Dried Thyme

Use 1 to 1 ¼ teaspoons for every 1 teaspoon ajwain

Best for paratha and puri dough

Different texture

Dried thyme is the closest substitute for ajwain, used 1:1 or a touch more, because both owe their flavour to thymol - crush it between your fingers as you add it. Dried oregano works at about 3/4 the amount and runs more peppery. The best homemade approximation is 1 teaspoon dried thyme plus 1/8 teaspoon caraway seed per teaspoon of ajwain, which restores the sharp seedy bite that thyme leaves alone lack.

Other ajwain substitutes

Ranked, with the exact amount to use

2Dried Thyme Plus a Pinch of Caraway
Close match
Use 1 teaspoon dried thyme plus ⅛ teaspoon caraway seeds for every 1 teaspoon ajwain
Thyme for the thymol, caraway for the pungent seed bite.
What changes
Best for
parathas, fried snacks, spice blends, chickpea flour batters
The best homemade approximation. Thyme covers the aroma and caraway supplies the sharp, faintly bitter, slightly anise-tinged edge that whole seeds give and dried leaves cannot. Keep the caraway small - an eighth of a teaspoon - because past that the dish starts tasting of rye bread rather than of ajwain.
3Dried Oregano (Mexican for Preference)
Different texture
Use ¾ teaspoon for every 1 teaspoon ajwain
Dried oregano leaves, with Mexican oregano the closer of the two common types.
What changes
Best for
savoury doughs, vegetable dishes, spice rubs
In the same aromatic family and easy to find. Oregano is more peppery and camphorous than thyme and slightly more bitter, which actually gets it closer to ajwain's bite while moving further from its precise aroma. Mexican oregano leans lemony-camphor and works better here; Mediterranean oregano tastes more pizza-like in the dish.
4Celery Seed
Different taste
Use ½ teaspoon for every 1 teaspoon ajwain
Tiny bitter aromatic seeds with a strong savoury character.
What changes
Best for
savoury doughs and batters, pickle-style dishes, lentils
Right format, different flavour. Celery seed is a small bitter seed that behaves like ajwain in a dough - it distributes evenly and gives little bursts of aroma - but it tastes distinctly of celery and turns harsh in quantity, so use half. Works better in a pakora batter than in a delicate spice blend.
5Nigella Seeds (Kalonji)
Different taste
Use the same amount
Small black seeds with a toasty, oniony, peppery flavour.
What changes
Best for
flatbreads and naan, parathas, pickles, sprinkling on top
Not a flavour match at all - no thyme note whatsoever - but a very good different choice, and often what is actually in the cupboard. Nigella brings a toasted-onion pepperiness that sits happily on a paratha or a flatbread. Think of it as a legitimate variation rather than a substitution, and do not use it where the recipe leans on ajwain's thyme character.
6Fennel or Anise Seed
Different taste
Use ½ teaspoon for every 1 teaspoon ajwain
Sweet, liquorice-scented seeds from the same broad plant family.
What changes
Best for
last resort, fried snacks, doughs
Shares the seedy texture and some family resemblance, and nothing else. Fennel and anise are sweet where ajwain is bitter, so a paratha made with them tastes distinctly liquorice-like - pleasant, but unmistakably a different bread. Halve the quantity, because that sweetness builds fast.

What is Ajwain?

Ajwain is a tiny ridged seed, also sold as carom seed, ajowan or bishop's weed and known in Ethiopia as nech azmud, that tastes powerfully of thyme with a bitter, oregano-like bite; its job is sharp aroma in fried doughs, dals and pickles rather than heat or bulk.

Cooking tips

Ajwain's job is pungent aroma plus a bitter edge that cuts through fat and starch. That is exactly why it turns up in fried snacks, chickpea flour batters and heavy potato dishes - it makes rich food feel lighter. Choose your substitute for that bitterness, not just for the smell.
A quarter teaspoon flavours a whole batch of paratha dough. Ajwain is far stronger than its size suggests, and too much tastes soapy and medicinal, so measure rather than sprinkling by eye.
Bruise the seeds between your palms or in a mortar, or toast them briefly in hot oil, before adding them. Whole untreated seeds keep their oil locked in and can taste harsh rather than aromatic.
Bloom ajwain in the hot oil at the start of a dish rather than stirring it in later. A few seconds in fat is enough - it is a small seed and it burns quickly, turning acrid.
In Ethiopian cooking, where ajwain appears as nech azmud in blends like berbere and mekelesha, it is a background note among many spices. If you are substituting thyme there, use a light hand: thyme's aroma is louder even though its bite is milder.
Ajwain is widely chewed on its own as a digestive, and recipes for ajwain water use far more than any cooking recipe would. Do not scale a tea quantity into a dish.

Frequently asked questions

What is the closest substitute for ajwain?

Dried thyme, used one for one or slightly more. Both ajwain and thyme are dominated by the same aromatic compound, thymol, which is why they smell so alike. For a closer match, add an eighth of a teaspoon of caraway seed per teaspoon of thyme to bring back the sharp, bitter seed bite that dried leaves cannot provide.

Is ajwain the same as caraway or oregano?

No. All three are aromatic and share some flavour compounds, which is why they can stand in for one another, but they come from different plants. Ajwain tastes strongly of thyme with a bitter, faintly numbing finish; caraway is sharper and more anise-like; oregano is more peppery and camphorous. Ajwain is also sometimes called bishop's weed, which adds to the confusion.

Can I leave ajwain out of a recipe?

Yes. Parathas, pakoras and dals all work without it - they simply taste flatter and feel a little heavier, because you have removed the bitter note that was cutting the richness. If you have nothing to put in its place, a pinch of dried thyme or oregano, or even a little extra black pepper, gets you part of the way.

Is nech azmud the same as ajwain?

Yes. Nech azmud is the Amharic name for ajwain, and it appears in Ethiopian spice blends including berbere and the finishing blend mekelesha. If an Ethiopian recipe calls for nech azmud, ajwain or carom seeds from an Indian grocer is exactly the right thing to buy.

How much ajwain should I use?

Very little. A quarter to half a teaspoon is enough for a batch of paratha dough or a pakora batter serving four, and a pinch is plenty in a spice blend. It is one of the easiest spices to overdo, and too much tastes soapy and bitter in a way that is hard to correct.

Related substitutes

More spices & herbs substitutes

Ajwain substitute

Other ajwain substitutes

2Dried Thyme Plus a Pinch of Caraway

3Dried Oregano (Mexican for Preference)

4Celery Seed

5Nigella Seeds (Kalonji)

6Fennel or Anise Seed