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Pairing

Leek + Mustard

A proven pairing. Cooks put them together in 21 recipes, and they share 228 flavor molecules: the top 6% of all ingredient pairs.

Smell alikestrong
Cooked together21 recipes
Ranktop 6% of pairs
Try them in the pairing tool Leek Mustard
33leek only 228shared 55mustard only Leek · 261 Mustard · 283
Circle size = number of flavor molecules on record. Overlap = molecules they share.

Do leek and mustard go together?

Yes. 21 recipes in our collection combine them, and they share 228 flavor molecules. That places them in the top 6% of every ingredient pair we score.

Why they work

Almost everything leek carries, mustard has too: 228 of leek's 261 flavor molecules also occur in mustard. Among the shared key aromas are trans-2-hexenal (green, leafy) and coumarin (sweet, hay).

What each one brings

leek

Much the same character. It carries 33 molecules mustard doesn't have.

mustard

Much the same character. It carries 55 molecules leek doesn't have.

Add a third ingredient

  • Shallot: the best fit for both, top 1% of pairs with leek, top 1% with mustard.
  • Lettuce: top 1% of pairs with leek, top 1% with mustard.
  • Capers: top 1% of pairs with leek, top 1% with mustard.
  • Sorrel: top 1% of pairs with leek, top 2% with mustard.

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

Recipes with leek and mustard

We have no browsable recipe that lists both leek and mustard.

Can you swap one for the other?

Fairly well, for flavor. Each carries most of the other's flavor molecules (87% of leek's and 81% of mustard's are shared). This compares flavor only; texture, moisture and the job each does in a dish matter too.

All 228 shared molecules

See every shared molecule grouped by chemical class, with key aromas marked, plus the 33 only in leek and the 55 only in mustard.

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Leek and mustard questions

Do leek and mustard go together?

A proven pairing. Cooks put them together in 21 recipes, and they share 228 flavor molecules: the top 6% of all ingredient pairs.

Why do leek and mustard taste good together?

Almost everything leek carries, mustard has too: 228 of leek's 261 flavor molecules also occur in mustard. Among the shared key aromas are trans-2-hexenal (green, leafy) and coumarin (sweet, hay).

What goes with leek and mustard?

Shallot is the best third ingredient: top 1% of pairs with leek and top 1% with mustard. Lettuce and capers also fit both.

Can I use mustard instead of leek?

Fairly well, for flavor. Each carries most of the other's flavor molecules (87% of leek's and 81% of mustard's are shared). 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: Leek vs Mustard. https://compkitchen.com/compare/leek-vs-mustard. Accessed 2026-11-04.
BibTeX
@misc{compkitchen_compare_compound_similarity_analysis_leek_vs_mustard_2026,
  title  = {Compound similarity analysis: Leek vs Mustard},
  author = {{Compound Kitchen}},
  year   = {2026},
  url    = {https://compkitchen.com/compare/leek-vs-mustard},
  note   = {Accessed: 2026-11-04}
}

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