Why it works: Onion and horseradish match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 1,784 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Pork Tenderloin
Ingredients
Directions
Prepare
Cut the tenderloin crosswise into half-inch slices.
In a chafing dish, combine the slices with butter and onion.
Cook and sauce
Cook thoroughly for about 10 minutes.
Once cooked, add vinegar and reduce the heat.
In a separate bowl, stir melted butter with horseradish to make a sauce.
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.
-
Onion + horseradishtop 7% of all pairsSmell alikestrongCooked together1,784 recipes
Shared aroma: coumarin (sweet, hay).
-
Vinegar + horseradishtop 12% of all pairsSmell alikemoderateCooked together2,609 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Onion + vinegartop 14% of all pairsSmell alikemoderateCooked together18,226 recipes
Shared aroma: acetic acid (sour, vinegar).
-
Butter + oniontop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
-
Butter + vinegartop 23% of all pairsSmell alikemoderateCooked together13,513 recipes
Shared aroma: isoamyl acetate (banana, pear).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Pork tenderloin
- Forms the main protein; cooking it through sets its texture and makes it safe to eat.
- Butter
- Adds fat for richness and helps the slices brown and stay moist during cooking.
- Onion
- Adds savory sweetness and aroma as it softens and browns in the pan.
- Vinegar
- Adds acidity that brightens the dish and balances the richness of the butter.
- Horseradish
- Provides sharp pungency and aroma that gives the sauce its characteristic bite.
The step that matters
Cook the pork thoroughly. Thin half-inch slices cook quickly, but the pork must reach a safe internal temperature. Cooking it through also sets the protein so the slices stay tender rather than dry or tough.
Swap the horseradish
How well each one fits the dish's main ingredients (butter, onion, vinegar):
- Mustardfits better
- Chivefits better
- Potatofits better
- Horseradishthe original
Fit is the average pairing score against butter, onion, 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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