Thyme + Onion
A proven pairing. Cooks put them together in 11,171 recipes, and they share 211 flavor molecules: the top 7% of all ingredient pairs.
Do thyme and onion go together?
Yes. 11,171 recipes in our collection combine them, and they share 211 flavor molecules. That places them in the top 7% of every ingredient pair we score.
Why they work
More than half of thyme's flavor molecules (211 of 303) also occur in onion. Among the shared key aromas are coumarin (sweet, hay) and 2-methylbutyraldehyde (malty, chocolate).
What each one brings
thyme
The herbal side. Herbal notes make up 13% of its labelled aroma molecules, against 4% for onion. It carries 92 molecules onion doesn't have.
onion
The sulfurous side. Sulfurous notes make up 13% of its labelled aroma molecules, against 2% for thyme. It carries 154 molecules thyme doesn't have.
Add a third ingredient
- Summer savory: the best fit for both, top 1% of pairs with thyme, top 7% with onion.
- Marjoram: top 1% of pairs with thyme, top 12% with onion.
- Winter savory: top 1% of pairs with thyme, top 12% with onion.
- Garlic: top 4% of pairs with thyme, top 1% with onion.
Ranked by the average of its two pairing scores. Only foods used in at least 100 recipes are suggested.
Recipes with thyme and onion
Almost always mains: 907 of the 1,014 recipes with a course label are mains (from a sample of 3,000 recipes that use both).
Can you swap one for the other?
Not really. Each has a lot the other lacks: thyme has 92 molecules onion doesn't, and onion has 154 that thyme doesn't. Treat them as partners, not stand-ins. This compares flavor only; texture, moisture and the job each does in a dish matter too.
All 211 shared molecules
See every shared molecule grouped by chemical class, with key aromas marked, plus the 92 only in thyme and the 154 only in onion.
Thyme and onion questions
Do thyme and onion go together?
A proven pairing. Cooks put them together in 11,171 recipes, and they share 211 flavor molecules: the top 7% of all ingredient pairs.
Why do thyme and onion taste good together?
More than half of thyme's flavor molecules (211 of 303) also occur in onion. Among the shared key aromas are coumarin (sweet, hay) and 2-methylbutyraldehyde (malty, chocolate).
What goes with thyme and onion?
Summer savory is the best third ingredient: top 1% of pairs with thyme and top 7% with onion. Marjoram and winter savory also fit both.
What can you make with thyme and onion?
Almost always mains: 907 of the 1,014 recipes with a course label are mains (from a sample of 3,000 recipes that use both). Common dishes include Bacon Thyme Dressing, Best French Onion Soup, Cajun Catfish with Sweet Onion Relish, Caramelized Onion and Green Olive Tapenade.
Can I use onion instead of thyme?
Not really. Each has a lot the other lacks: thyme has 92 molecules onion doesn't, and onion has 154 that thyme doesn't. Treat them as partners, not stand-ins. This compares flavor only; texture, moisture and the job each does in a dish matter too.
Compare other ingredients
Ranks compare this pair with 20,000 random ingredient pairs on CompKitchen. Molecule counts are what the studies and databases we aggregate have reported for each ingredient: a measure of coverage, not a full census. How we score pairs
Cite this analysis
Compound Kitchen (2026). Compound similarity analysis: Thyme vs Onion. https://compkitchen.com/compare/thyme-vs-onion. Accessed 2026-11-03.
@misc{compkitchen_compare_compound_similarity_analysis_thyme_vs_onion_2026,
title = {Compound similarity analysis: Thyme vs Onion},
author = {{Compound Kitchen}},
year = {2026},
url = {https://compkitchen.com/compare/thyme-vs-onion},
note = {Accessed: 2026-11-03}
}
Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.