Why it works: Parsley and onion are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 25,843 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Gravy Kettle
Ingredients
Directions
Pour a small quantity of liquid into the kettle and reduce it by rapid boiling until it forms a glaze.
Add boiling broth in small portions, shaking the stewpan to detach the glaze.
Stew the meat gently for three to four hours with mushrooms, parsley, and green onions or a Portugal onion.
For richer flavor, add a thick slice of unboiled ham and bones from undressed meat if available.
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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Parsley + oniontop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Mushroom + oniontop 10% of all pairsSmell alikemoderateCooked together10,626 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Mushroom + parsleytop 11% of all pairsSmell alikemoderateCooked together6,132 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Ham + meattop 13% of all pairsSmell alikemoderateCooked together1,095 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Mushroom + meattop 15% of all pairsSmell alikemoderateCooked together1,423 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the parsley
How well each one fits the dish's main ingredients (mushroom, onion, ham, meat):
- Garlicfits better
- Thymefits better
- Celeryfits better
- Parsleythe original
Fit is the average pairing score against mushroom, onion, ham, meat. Candidates are from the same food group and used in at least 100 recipes.
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