Horseradish + Ketchup
A proven pairing. Cooks put them together in 223 recipes, and they share 45 flavor molecules: the top 10% of all ingredient pairs. We hold little distinguishing chemistry for one of them, so the recipe count carries this verdict.
Do horseradish and ketchup go together?
Yes. 223 recipes in our collection combine them, and they share 45 flavor molecules. That places them in the top 10% of every ingredient pair we score.
Read this with the evidence note above in mind.
Why they work
Almost everything ketchup carries, horseradish has too: 45 of ketchup's 45 flavor molecules also occur in horseradish. Among the shared key aromas are ethanol (alcoholic, ethereal) and decanoic acid (soapy, waxy).
What each one brings
horseradish
The fresh, green side. Green notes make up 8% of its labelled aroma molecules, against 0% for ketchup. It carries 206 molecules ketchup doesn't have.
ketchup
The tartness. Sour notes make up 35% of its labelled aroma molecules, against 18% for horseradish. Every molecule it carries is also in horseradish.
Add a third ingredient
- Sauce: the best fit for both, top 12% of pairs with horseradish, top 1% with ketchup.
- Whiting: top 17% of pairs with horseradish, top 1% with ketchup.
- Mustard: top 1% of pairs with horseradish, top 17% with ketchup.
- Atlantic halibut: top 19% of pairs with horseradish, top 1% with ketchup.
Ranked by the average of its two pairing scores. Only foods used in at least 100 recipes are suggested.
Recipes with horseradish and ketchup
We have no browsable recipe that lists both horseradish and ketchup.
Can you swap one for the other?
Only partly. Almost all of ketchup's flavor molecules (45 of 45) are also found in horseradish, but horseradish has 206 that ketchup lacks. Ketchup gives you part of horseradish's character without most of its fresh, green side. This compares flavor only; texture, moisture and the job each does in a dish matter too.
All 45 shared molecules
See every shared molecule grouped by chemical class, with key aromas marked, plus the 206 only in horseradish and the 0 only in ketchup.
Horseradish and ketchup questions
Do horseradish and ketchup go together?
A proven pairing. Cooks put them together in 223 recipes, and they share 45 flavor molecules: the top 10% of all ingredient pairs. We hold little distinguishing chemistry for one of them, so the recipe count carries this verdict.
Why do horseradish and ketchup taste good together?
Almost everything ketchup carries, horseradish has too: 45 of ketchup's 45 flavor molecules also occur in horseradish. Among the shared key aromas are ethanol (alcoholic, ethereal) and decanoic acid (soapy, waxy).
What goes with horseradish and ketchup?
Sauce is the best third ingredient: top 12% of pairs with horseradish and top 1% with ketchup. Whiting and mustard also fit both.
Can I use ketchup instead of horseradish?
Only partly. Almost all of ketchup's flavor molecules (45 of 45) are also found in horseradish, but horseradish has 206 that ketchup lacks. Ketchup gives you part of horseradish's character without most of its fresh, green side. 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: Horseradish vs Ketchup. https://compkitchen.com/compare/horseradish-vs-ketchup. Accessed 2026-11-03.
@misc{compkitchen_compare_compound_similarity_analysis_horseradish_vs_ketchup_2026,
title = {Compound similarity analysis: Horseradish vs Ketchup},
author = {{Compound Kitchen}},
year = {2026},
url = {https://compkitchen.com/compare/horseradish-vs-ketchup},
note = {Accessed: 2026-11-03}
}
Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.