Why it works: Mustard and horseradish match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,832 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Russian Sauce
Ingredients
Directions
Prepare the vegetables
Scald and skin the tomatoes, then cut them into dice-sized pieces.
Place the tomatoes in a colander for 4 to 5 hours to drain.
Cut the celery to match the size of the tomatoes.
Mix and store
In a large bowl, mix the tomatoes, celery, sugar, salt, black pepper, cayenne pepper, mustard seed, celery seed, and grated horseradish.
Add the cider vinegar and mix well.
Transfer the mixture into airtight jars and store in a cool place.
Do not heat the mixture during preparation; it will keep well if the vinegar is good.
It will be ready for use in a few days.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
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Mustard + horseradishtop 1% of all pairsSmell alikestrongCooked together1,832 recipes
Shared aroma: coumarin (sweet, hay).
-
Celery + mustardtop 2% of all pairsSmell alikemoderateCooked together4,169 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Tomato + celerytop 4% of all pairsSmell alikemoderateCooked together3,377 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Celery + horseradishtop 6% of all pairsSmell alikemoderateCooked together835 recipes
Shared aroma: coumarin (sweet, hay).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tomatoes
- Provide the bulk and moisture of the relish, which is drained first to firm it up.
- Celery
- Adds crisp texture and a fresh, savoury vegetable flavour to the relish.
- Cider vinegar
- Acidity that preserves the mixture and sharpens its flavour during storage.
- Sugar
- Balances the sharpness of the vinegar and horseradish with sweetness.
- White mustard seed
- Contributes sharp, pungent flavour and a little crunch to the mix.
- Horseradish
- Supplies its sharp, pungent heat that gives the dressing its characteristic bite.
The step that matters
Draining the tomatoes. Tomatoes hold a lot of water. Draining them for 4 to 5 hours removes excess liquid so the dressing stays thick rather than watery in the jar.
Swap the tomato
How well each one fits the dish's main ingredients (celery, sugar, pepper, mustard, horseradish, cider, vinegar):
- Radishfits better
- Broccolifits better
- Lettucefits better
- Tomatothe original
Fit is the average pairing score against celery, sugar, pepper, mustard, horseradish, cider, vinegar. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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