Filbert + Onion
A cook's pairing more than a chemical one: 8 recipes use both, though they share little aroma. They rank in the top 33% of all ingredient pairs.
Do filbert and onion go together?
Yes, in practice. 8 recipes in our collection combine them, and they share 30 flavor molecules. That places them in the top 33% of every ingredient pair we score.
What they have in common
They overlap on 30 flavor molecules: 33% of filbert's 92. Among the shared key aromas are 2-nonanone (fruity, floral) and 2-methylbutyraldehyde (malty, chocolate). So the pairing rests more on how cooks use them than on shared aroma.
What each one brings
filbert
The roast. Roasted notes make up 22% of its labelled aroma molecules, against 6% for onion. It carries 62 molecules onion doesn't have.
onion
The tartness. Sour notes make up 15% of its labelled aroma molecules, against 1% for filbert. It carries 335 molecules filbert doesn't have.
Add a third ingredient
- Nuts: the best fit for both, top 7% of pairs with filbert, top 19% with onion.
- Peanut: top 16% of pairs with filbert, top 9% with onion.
- Beef: top 21% of pairs with filbert, top 7% with onion.
- Hazelnut: top 13% of pairs with filbert, top 13% with onion.
Ranked by the average of its two pairing scores. Only foods used in at least 100 recipes are suggested.
Recipes with filbert and onion
We have no browsable recipe that lists both filbert and onion.
Can you swap one for the other?
Not really. Each has a lot the other lacks: filbert has 62 molecules onion doesn't, and onion has 335 that filbert 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 30 shared molecules
See every shared molecule grouped by chemical class, with key aromas marked, plus the 62 only in filbert and the 335 only in onion.
Filbert and onion questions
Do filbert and onion go together?
A cook's pairing more than a chemical one: 8 recipes use both, though they share little aroma. They rank in the top 33% of all ingredient pairs.
What do filbert and onion have in common?
They overlap on 30 flavor molecules: 33% of filbert's 92. Among the shared key aromas are 2-nonanone (fruity, floral) and 2-methylbutyraldehyde (malty, chocolate). So the pairing rests more on how cooks use them than on shared aroma.
What goes with filbert and onion?
Nuts is the best third ingredient: top 7% of pairs with filbert and top 19% with onion. Peanut and beef also fit both.
Can I use onion instead of filbert?
Not really. Each has a lot the other lacks: filbert has 62 molecules onion doesn't, and onion has 335 that filbert 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: Filbert vs Onion. https://compkitchen.com/compare/filbert-vs-onion. Accessed 2026-11-04.
@misc{compkitchen_compare_compound_similarity_analysis_filbert_vs_onion_2026,
title = {Compound similarity analysis: Filbert vs Onion},
author = {{Compound Kitchen}},
year = {2026},
url = {https://compkitchen.com/compare/filbert-vs-onion},
note = {Accessed: 2026-11-04}
}
Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.