Onion + Plum
A good pairing. Cooks put them together in 1,171 recipes, and they share 227 flavor molecules: the top 15% of all ingredient pairs.
Do onion and plum go together?
Yes. 1,171 recipes in our collection combine them, and they share 227 flavor molecules. That places them in the top 15% of every ingredient pair we score.
Why they work
More than half of onion's flavor molecules (227 of 365) also occur in plum. Among the shared key aromas are 2,4-decadienal (seaweed) and ethyl butyrate (apple, fruity).
What each one brings
onion
The sulfurous side. Sulfurous notes make up 13% of its labelled aroma molecules, against 2% for plum. It carries 138 molecules plum doesn't have.
plum
The fruit. Fruity notes make up 25% of its labelled aroma molecules, against 9% for onion. It carries 154 molecules onion doesn't have.
Add a third ingredient
- Garlic: the best fit for both, top 1% of pairs with onion, top 12% with plum.
- Thyme: top 7% of pairs with onion, top 6% with plum.
- Pear: top 18% of pairs with onion, top 1% with plum.
- Tomato: top 8% of pairs with onion, top 6% with plum.
Ranked by the average of its two pairing scores. Only foods used in at least 100 recipes are suggested.
Recipes with onion and plum
Almost always mains: 140 of the 172 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 138 molecules plum doesn't, and plum has 154 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 227 shared molecules
See every shared molecule grouped by chemical class, with key aromas marked, plus the 138 only in onion and the 154 only in plum.
Onion and plum questions
Do onion and plum go together?
A good pairing. Cooks put them together in 1,171 recipes, and they share 227 flavor molecules: the top 15% of all ingredient pairs.
Why do onion and plum taste good together?
More than half of onion's flavor molecules (227 of 365) also occur in plum. Among the shared key aromas are 2,4-decadienal (seaweed) and ethyl butyrate (apple, fruity).
What goes with onion and plum?
Garlic is the best third ingredient: top 1% of pairs with onion and top 12% with plum. Thyme and pear also fit both.
What can you make with onion and plum?
Almost always mains: 140 of the 172 recipes with a course label are mains. Common dishes include Diabetic-Friendly Tomato Onion Soup, Peruvian Chicken with Plums, Plum Ginger Chicken Salad, Spicy Black Beans with Tomatoes, Onions, and Cilantro.
Can I use plum instead of onion?
Not really. Each has a lot the other lacks: onion has 138 molecules plum doesn't, and plum has 154 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 Plum. https://compkitchen.com/compare/onion-vs-plum. Accessed 2026-11-04.
@misc{compkitchen_compare_compound_similarity_analysis_onion_vs_plum_2026,
title = {Compound similarity analysis: Onion vs Plum},
author = {{Compound Kitchen}},
year = {2026},
url = {https://compkitchen.com/compare/onion-vs-plum},
note = {Accessed: 2026-11-04}
}
Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.