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Pairing

Kale + Leek

Promising but untested: they share 214 flavor molecules (strong aroma overlap), yet only 4 recipes use both. They rank in the top 4% of all ingredient pairs.

Smell alikestrong
Cooked together4 recipes
Ranktop 4% of pairs
Try them in the pairing tool Kale Leek
6kale only 214shared 47leek only Kale · 220 Leek · 261
Circle size = number of flavor molecules on record. Overlap = molecules they share.

Do kale and leek go together?

Possibly. 4 recipes in our collection combine them, and they share 214 flavor molecules. That places them in the top 4% of every ingredient pair we score.

Why they work

Almost everything kale carries, leek has too: 214 of kale's 220 flavor molecules also occur in leek. Among the shared key aromas are coumarin (sweet, hay) and 2-methylbutyraldehyde (malty, chocolate).

What each one brings

kale

Much the same character. It carries 6 molecules leek doesn't have.

leek

The sulfurous side. Sulfurous notes make up 8% of its labelled aroma molecules, against 6% for kale. It carries 47 molecules kale doesn't have.

Add a third ingredient

  • Sorrel: the best fit for both, top 1% of pairs with kale, top 1% with leek.
  • Jerusalem artichoke: top 1% of pairs with kale, top 1% with leek.
  • Turnip: top 1% of pairs with kale, top 1% with leek.
  • Lentils: top 1% of pairs with kale, top 1% with leek.

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

Recipes with kale and leek

We have no browsable recipe that lists both kale and leek. With this much shared aroma, it is the kind of novel pairing worth testing.

Can you swap one for the other?

Fairly well, for flavor. Each carries most of the other's flavor molecules (97% of kale's and 82% of leek's are shared). This compares flavor only; texture, moisture and the job each does in a dish matter too.

All 214 shared molecules

See every shared molecule grouped by chemical class, with key aromas marked, plus the 6 only in kale and the 47 only in leek.

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Kale and leek questions

Do kale and leek go together?

Promising but untested: they share 214 flavor molecules (strong aroma overlap), yet only 4 recipes use both. They rank in the top 4% of all ingredient pairs.

Why do kale and leek taste good together?

Almost everything kale carries, leek has too: 214 of kale's 220 flavor molecules also occur in leek. Among the shared key aromas are coumarin (sweet, hay) and 2-methylbutyraldehyde (malty, chocolate).

What goes with kale and leek?

Sorrel is the best third ingredient: top 1% of pairs with kale and top 1% with leek. Jerusalem artichoke and turnip also fit both.

Can I use leek instead of kale?

Fairly well, for flavor. Each carries most of the other's flavor molecules (97% of kale's and 82% of leek'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: Kale vs Leek. https://compkitchen.com/compare/kale-vs-leek. Accessed 2026-11-04.
BibTeX
@misc{compkitchen_compare_compound_similarity_analysis_kale_vs_leek_2026,
  title  = {Compound similarity analysis: Kale vs Leek},
  author = {{Compound Kitchen}},
  year   = {2026},
  url    = {https://compkitchen.com/compare/kale-vs-leek},
  note   = {Accessed: 2026-11-04}
}

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