Why it works: Mustard and potato are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 1,340 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Red Herrings
Ingredients
Directions
Soak the herring in hot small beer for 1 hour.
Drain the herring and toast or broil it.
Serve with cold butter, mustard, egg sauce, and mashed potatoes.
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 + potatotop 7% of all pairsSmell alikemoderateCooked together1,340 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beer + mustardtop 11% of all pairsSmell alikemoderateCooked together314 recipes
Shared aroma: guaiacol (smoky, sweet).
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Mustard + saucetop 13% of all pairsSmell alikemoderateCooked together2,120 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Butter + potatotop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Beer + potatotop 14% of all pairsSmell alikemoderateCooked together145 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the potato
How well each one fits the dish's main ingredients (beer, butter, mustard, egg, sauce):
- Horseradishfits better
- Shallotfits better
- Chivefits better
- Potatothe original
Fit is the average pairing score against beer, butter, mustard, egg, sauce. Candidates are from the same food group and used in at least 100 recipes.
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