Tomato + Mustard
A good pairing. Cooks put them together in 2,482 recipes, and they share 238 flavor molecules: the top 11% of all ingredient pairs.
Do tomato and mustard go together?
Yes. 2,482 recipes in our collection combine them, and they share 238 flavor molecules. That places them in the top 11% of every ingredient pair we score.
Why they work
Almost everything mustard carries, tomato has too: 238 of mustard's 283 flavor molecules also occur in tomato. Among the shared key aromas are 2-isopropyl-3-methoxypyrazine (earthy, pea) and guaiacol (smoky, sweet).
What each one brings
tomato
The fruit. Fruity notes make up 15% of its labelled aroma molecules, against 10% for mustard. It carries 272 molecules mustard doesn't have.
mustard
The sulfurous side. Sulfurous notes make up 8% of its labelled aroma molecules, against 3% for tomato. It carries 45 molecules tomato doesn't have.
Add a third ingredient
- Capers: the best fit for both, top 8% of pairs with tomato, top 1% with mustard.
- Lettuce: top 6% of pairs with tomato, top 1% with mustard.
- Horseradish: top 13% of pairs with tomato, top 1% with mustard.
- Beans: top 1% of pairs with tomato, top 4% with mustard.
Ranked by the average of its two pairing scores. Only foods used in at least 100 recipes are suggested.
Recipes with tomato and mustard
Mostly mains: 342 of the 494 recipes with a course label are mains.
Can you swap one for the other?
Only partly. Most of mustard's flavor molecules (238 of 283) are also found in tomato, but tomato has 272 that mustard lacks. Mustard gives you part of tomato's character without most of its fruit. This compares flavor only; texture, moisture and the job each does in a dish matter too.
All 238 shared molecules
See every shared molecule grouped by chemical class, with key aromas marked, plus the 272 only in tomato and the 45 only in mustard.
Tomato and mustard questions
Do tomato and mustard go together?
A good pairing. Cooks put them together in 2,482 recipes, and they share 238 flavor molecules: the top 11% of all ingredient pairs.
Why do tomato and mustard taste good together?
Almost everything mustard carries, tomato has too: 238 of mustard's 283 flavor molecules also occur in tomato. Among the shared key aromas are 2-isopropyl-3-methoxypyrazine (earthy, pea) and guaiacol (smoky, sweet).
What goes with tomato and mustard?
Capers is the best third ingredient: top 8% of pairs with tomato and top 1% with mustard. Lettuce and horseradish also fit both.
What can you make with tomato and mustard?
Mostly mains: 342 of the 494 recipes with a course label are mains. Common dishes include Tomato Mustard, Canadian Tomato Mustard, Green Tomato Pickles, Tomato Catsup.
Can I use mustard instead of tomato?
Only partly. Most of mustard's flavor molecules (238 of 283) are also found in tomato, but tomato has 272 that mustard lacks. Mustard gives you part of tomato's character without most of its fruit. 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: Tomato vs Mustard. https://compkitchen.com/compare/tomato-vs-mustard. Accessed 2026-11-04.
@misc{compkitchen_compare_compound_similarity_analysis_tomato_vs_mustard_2026,
title = {Compound similarity analysis: Tomato vs Mustard},
author = {{Compound Kitchen}},
year = {2026},
url = {https://compkitchen.com/compare/tomato-vs-mustard},
note = {Accessed: 2026-11-04}
}
Methodology DOI: 10.5281/zenodo.19719459 · CC BY 4.0 · Citations are a request, not a requirement.