Onion + Anchovy
A good pairing. Cooks put them together in 1,263 recipes, and they share 47 flavor molecules: the top 14% of all ingredient pairs.
Do onion and anchovy go together?
Yes. 1,263 recipes in our collection combine them, and they share 47 flavor molecules. That places them in the top 14% of every ingredient pair we score.
Why they work
More than half of anchovy's flavor molecules (47 of 69) also occur in onion. Among the shared key aromas are decanal (soap, orange peel) and 2-methylbutyraldehyde (malty, chocolate). Most of what they share is background chemistry many foods carry, so the overlap does little for the smell.
What each one brings
onion
The sulfurous side. Sulfurous notes make up 13% of its labelled aroma molecules, against 6% for anchovy. It carries 318 molecules anchovy doesn't have.
anchovy
The tartness. Sour notes make up 28% of its labelled aroma molecules, against 15% for onion. It carries 22 molecules onion doesn't have.
Add a third ingredient
- Garlic: the best fit for both, top 1% of pairs with onion, top 13% with anchovy.
- Capers: top 7% of pairs with onion, top 8% with anchovy.
- Chive: top 3% of pairs with onion, top 15% with anchovy.
- Potato: top 3% of pairs with onion, top 16% with anchovy.
Ranked by the average of its two pairing scores. Only foods used in at least 100 recipes are suggested.
Recipes with onion and anchovy
Mostly mains: 28 of the 45 recipes with a course label are mains.
Can you swap one for the other?
Not really. Each has a lot the other lacks: onion has 318 molecules anchovy doesn't, and anchovy has 22 that onion 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 47 shared molecules
See every shared molecule grouped by chemical class, with key aromas marked, plus the 318 only in onion and the 22 only in anchovy.
Onion and anchovy questions
Do onion and anchovy go together?
A good pairing. Cooks put them together in 1,263 recipes, and they share 47 flavor molecules: the top 14% of all ingredient pairs.
Why do onion and anchovy taste good together?
More than half of anchovy's flavor molecules (47 of 69) also occur in onion. Among the shared key aromas are decanal (soap, orange peel) and 2-methylbutyraldehyde (malty, chocolate). Most of what they share is background chemistry many foods carry, so the overlap does little for the smell.
What goes with onion and anchovy?
Garlic is the best third ingredient: top 1% of pairs with onion and top 13% with anchovy. Capers and chive also fit both.
What can you make with onion and anchovy?
Mostly mains: 28 of the 45 recipes with a course label are mains. Common dishes include Algerian Salad with Anchovies and Eggs, Spaghetti with Anchovy Sauce, Spanish Onions--Pickled, Algerian Salad.
Can I use anchovy instead of onion?
Not really. Each has a lot the other lacks: onion has 318 molecules anchovy doesn't, and anchovy has 22 that onion 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: Onion vs Anchovy. https://compkitchen.com/compare/onion-vs-anchovy. Accessed 2026-11-04.
@misc{compkitchen_compare_compound_similarity_analysis_onion_vs_anchovy_2026,
title = {Compound similarity analysis: Onion vs Anchovy},
author = {{Compound Kitchen}},
year = {2026},
url = {https://compkitchen.com/compare/onion-vs-anchovy},
note = {Accessed: 2026-11-04}
}
Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.