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 ↓
Celery Sauce
Ingredients
Directions
Prepare the vegetables
Chop the cabbage and onions finely.
Pour hot brine over the chopped vegetables.
After 24 hours, drain and press out the water.
Loosen the mixture and add ½ cup of onions for every half gallon of cabbage.
Season and cover
Mix in the brown sugar, mustard, mustard seed, horseradish, nutmeg, celery seed, turmeric, and black pepper.
Add the chopped celery and mix well.
Cover the mixture with cold vinegar.
If available, add 1 pint of nasturtium seeds for extra flavor.
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).
-
Mustard + celerytop 2% of all pairsSmell alikemoderateCooked together4,169 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Cabbage + horseradishtop 2% of all pairsSmell alikestrongCooked together481 recipes
Shared aroma: coumarin (sweet, hay).
-
Mustard + turmerictop 3% of all pairsSmell alikestrongCooked together2,279 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Horseradish + turmerictop 3% of all pairsSmell alikestrongCooked together437 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
- Hard white cabbage
- Forms the bulk of the relish, giving it body and a crisp, chopped texture.
- Onions
- Add pungent sharpness and savoury depth that mellows during the resting period.
- White mustard seed
- Provides sharp, pungent heat and a gentle crunch to the sauce.
- Horseradish
- Adds sharp, pungent heat that gives the sauce its bite.
- Brown sugar
- Adds sweetness that balances the sharpness of the vinegar and mustard.
- Cold vinegar
- Adds acidity that preserves the mixture and gives it tang.
The step that matters
Draining and pressing out the water after 24 hours. Salted brine draws water out of the vegetables, and pressing removes it so the sauce stays thick rather than watery and dilute.
Swap the onion
How well each one fits the dish's main ingredients (cabbage, sugar, mustard, horseradish, nutmeg, celery, turmeric):
- Beetrootfits better
- Turnipfits better
- Cauliflowerfits better
- Onionthe original
Fit is the average pairing score against cabbage, sugar, mustard, horseradish, nutmeg, celery, turmeric. 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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