Onion + Blue cheese
A good pairing. Cooks put them together in 329 recipes, and they share 71 flavor molecules: the top 15% of all ingredient pairs.
Do onion and blue cheese go together?
Yes. 329 recipes in our collection combine them, and they share 71 flavor molecules. That places them in the top 15% of every ingredient pair we score.
Why they work
They overlap on 71 flavor molecules: 42% of blue cheese's 170. Among the shared key aromas are ethyl butyrate (apple, fruity) and 2-nonanone (fruity, floral).
What each one brings
onion
The sulfurous side. Sulfurous notes make up 13% of its labelled aroma molecules, against 4% for blue cheese. It carries 294 molecules blue cheese doesn't have.
blue cheese
The fruit. Fruity notes make up 33% of its labelled aroma molecules, against 9% for onion. It carries 99 molecules onion doesn't have.
Add a third ingredient
- Goat cheese: the best fit for both, top 12% of pairs with onion, top 1% with blue cheese.
- Feta cheese: top 10% of pairs with onion, top 1% with blue cheese.
- Cheddar cheese: top 13% of pairs with onion, top 1% with blue cheese.
- Cream cheese: top 20% of pairs with onion, top 1% with blue cheese.
Ranked by the average of its two pairing scores. Only foods used in at least 100 recipes are suggested.
Recipes with onion and blue cheese
Spread across courses: mains lead with 22 of the 48 recipes with a course label, then salads (15).
Can you swap one for the other?
Not really. Each has a lot the other lacks: onion has 294 molecules blue cheese doesn't, and blue cheese has 99 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 71 shared molecules
See every shared molecule grouped by chemical class, with key aromas marked, plus the 294 only in onion and the 99 only in blue cheese.
Onion and blue cheese questions
Do onion and blue cheese go together?
A good pairing. Cooks put them together in 329 recipes, and they share 71 flavor molecules: the top 15% of all ingredient pairs.
Why do onion and blue cheese taste good together?
They overlap on 71 flavor molecules: 42% of blue cheese's 170. Among the shared key aromas are ethyl butyrate (apple, fruity) and 2-nonanone (fruity, floral).
What goes with onion and blue cheese?
Goat cheese is the best third ingredient: top 12% of pairs with onion and top 1% with blue cheese. Feta cheese and cheddar cheese also fit both.
What can you make with onion and blue cheese?
Spread across courses: mains lead with 22 of the 48 recipes with a course label, then salads (15). Common dishes include Focaccia with Onion Marmalade, Blue Cheese, and Walnuts, Stuffed Mushroom, Onion and Blue Cheese Omelet, Avocado, Blue Cheese and Bacon Pizza, Bacon, Blue and Avocado Quesadilla.
Can I use blue cheese instead of onion?
Not really. Each has a lot the other lacks: onion has 294 molecules blue cheese doesn't, and blue cheese has 99 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 Blue Cheese. https://compkitchen.com/compare/onion-vs-blue-cheese. Accessed 2026-11-03.
@misc{compkitchen_compare_compound_similarity_analysis_onion_vs_blue_cheese_2026,
title = {Compound similarity analysis: Onion vs Blue Cheese},
author = {{Compound Kitchen}},
year = {2026},
url = {https://compkitchen.com/compare/onion-vs-blue-cheese},
note = {Accessed: 2026-11-03}
}
Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.