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Pairing

Brussels sprouts + Onion

A cook's pairing more than a chemical one: 23 recipes use both, though they share little aroma. They rank in the top 26% of all ingredient pairs.

Smell alikelow
Cooked together23 recipes
Ranktop 26% of pairs
11brussels sprouts only 12shared 353onion only Brussels sprouts · 23 Onion · 365
Circle size = number of flavor molecules on record. Overlap = molecules they share.

Do brussels sprouts and onion go together?

Yes, in practice. 23 recipes in our collection combine them, and they share 12 flavor molecules. That places them in the top 26% of every ingredient pair we score.

What they have in common

More than half of brussels sprouts's flavor molecules (12 of 23) also occur in onion. Among the shared key aromas are 2,4-decadienal (seaweed) and 2-methylbutyraldehyde (malty, chocolate). So the pairing rests more on how cooks use them than on shared aroma.

What each one brings

brussels sprouts

The fresh, green side. Green notes make up 39% of its labelled aroma molecules, against 8% for onion. It carries 11 molecules onion doesn't have.

onion

The tartness. Sour notes make up 15% of its labelled aroma molecules, against 0% for brussels sprouts. It carries 353 molecules brussels sprouts doesn't have.

Add a third ingredient

  • Garlic: the best fit for both, top 15% of pairs with brussels sprouts, top 1% with onion.
  • Potato: top 26% of pairs with brussels sprouts, top 3% with onion.
  • Broccoli: top 24% of pairs with brussels sprouts, top 6% with onion.
  • Olive: top 25% of pairs with brussels sprouts, top 8% with onion.

Ranked by the average of its two pairing scores. Only foods used in at least 100 recipes are suggested.

Recipes with brussels sprouts and onion

Mostly mains: 7 of the 11 recipes with a course label are mains.

See recipes with both →

Can you swap one for the other?

Not really. Each has a lot the other lacks: brussels sprouts has 11 molecules onion doesn't, and onion has 353 that brussels sprouts 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 12 shared molecules

See every shared molecule grouped by chemical class, with key aromas marked, plus the 11 only in brussels sprouts and the 353 only in onion.

Brussels sprouts and onion questions

Do brussels sprouts and onion go together?

A cook's pairing more than a chemical one: 23 recipes use both, though they share little aroma. They rank in the top 26% of all ingredient pairs.

What do brussels sprouts and onion have in common?

More than half of brussels sprouts's flavor molecules (12 of 23) also occur in onion. Among the shared key aromas are 2,4-decadienal (seaweed) and 2-methylbutyraldehyde (malty, chocolate). So the pairing rests more on how cooks use them than on shared aroma.

What goes with brussels sprouts and onion?

Garlic is the best third ingredient: top 15% of pairs with brussels sprouts and top 1% with onion. Potato and broccoli also fit both.

What can you make with brussels sprouts and onion?

Mostly mains: 7 of the 11 recipes with a course label are mains. Common dishes include Brussels Sprouts Soup, Brussels Sprouts with Mustard Vinaigrette, Cream of Brussels Sprouts Soup, Stewart Estate Marinated Brussels Sprouts.

Can I use onion instead of brussels sprouts?

Not really. Each has a lot the other lacks: brussels sprouts has 11 molecules onion doesn't, and onion has 353 that brussels sprouts 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

1
2

Two ingredients gives the full side-by-side breakdown; add a third to see a similarity matrix across all of them (up to 6).

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
Plain text
Compound Kitchen (2026). Compound similarity analysis: Brussels Sprouts vs Onion. https://compkitchen.com/compare/brussels-sprouts-vs-onion. Accessed 2026-11-04.
BibTeX
@misc{compkitchen_compare_compound_similarity_analysis_brussels_sprouts_vs_onion_2026,
  title  = {Compound similarity analysis: Brussels Sprouts vs Onion},
  author = {{Compound Kitchen}},
  year   = {2026},
  url    = {https://compkitchen.com/compare/brussels-sprouts-vs-onion},
  note   = {Accessed: 2026-11-04}
}

Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.