Why it works: Beef and mushroom are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 3,232 recipes. Both carry 2,4-nonadienal, which smells fatty, green. The science ↓
Rich Gravy
Ingredients
Directions
Make the stock
Slice and fry the onions in a pan until light brown.
Fry the diced gravy beef until brown.
In a stewpan, combine the beef, onions, dried mushroom, bacon bone or ham, peppercorns, and water.
Boil gently for 2 hours, then strain and remove all fat.
If the gravy is not rich enough, boil it in a clean stewpan without a lid until reduced.
Thicken and serve
To thicken, melt the butter in a small frying pan, gradually stir in the flour until it forms a thick paste.
Cook the paste over the fire until it turns brown.
Mix a small amount of the paste with boiling gravy to avoid lumps, then add it to the entire gravy.
Boil the gravy again, and it is ready to serve.
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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Beef + mushroomtop 4% of all pairsSmell alikemoderateCooked together3,232 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
-
Onion + beeftop 7% of all pairsSmell alikemoderateCooked together17,092 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mushroom + buttertop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Beef + peppertop 10% of all pairsSmell alikemoderateCooked together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + mushroomtop 10% of all pairsSmell alikemoderateCooked together10,626 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Gravy beef
- Provides the meaty flavour and body that the gravy is built on.
- Onions
- Add sweetness and savoury depth as they brown in the pan.
- Butter
- Carries the flour into a roux and adds richness to the gravy.
- Flour
- Thickens the gravy as its starch swells in the hot liquid.
The step that matters
Adding the roux to the gravy. If the paste is dropped in whole or the gravy is not hot, the flour clumps into lumps. Mixing a small amount with boiling gravy first lets the starch disperse evenly before the rest is stirred in.
Swap the onion
How well each one fits the dish's main ingredients (beef, mushroom, ham, butter, flour, pepper):
- Shallotfits better
- Potatofits about as well
- Asparagusfits about as well
- Onionthe original
Fit is the average pairing score against beef, mushroom, ham, butter, flour, pepper. 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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