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Pairing

Onion + Brussels sprouts

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
Try them in the pairing tool Onion Brussels sprouts
353onion only 12shared 11brussels sprouts only Onion · 365 Brussels sprouts · 23
Circle size = number of flavor molecules on record. Overlap = molecules they share.

Do onion and brussels sprouts 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

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.

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.

Add a third ingredient

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

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

Recipes with onion and brussels sprouts

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

Brussels Sprouts SoupBrussels Sprouts with Mustard VinaigretteCream of Brussels Sprouts SoupStewart Estate Marinated Brussels SproutsAutumn Barley StewBaked Lentil and Vegetable Stew

See recipes with both →

Can you swap one for the other?

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

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

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Onion and brussels sprouts questions

Do onion and brussels sprouts 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 onion and brussels sprouts 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 onion and brussels sprouts?

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

What can you make with onion and brussels sprouts?

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 brussels sprouts instead of onion?

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

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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: Onion vs Brussels Sprouts. https://compkitchen.com/compare/onion-vs-brussels-sprouts. Accessed 2026-11-05.
BibTeX
@misc{compkitchen_compare_compound_similarity_analysis_onion_vs_brussels_sprouts_2026,
  title  = {Compound similarity analysis: Onion vs Brussels Sprouts},
  author = {{Compound Kitchen}},
  year   = {2026},
  url    = {https://compkitchen.com/compare/onion-vs-brussels-sprouts},
  note   = {Accessed: 2026-11-05}
}

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