Why it works: Butter and mushroom are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 12,525 recipes. Both carry trans-2-decenal, which smells waxy, orange. The science ↓
Gravy for Steaks
Ingredients
Directions
Make the liquor
Simmer the liquor gently for about 1½ hours.
Strain off as much as needed for the sauce.
Make the gravy
Melt the butter in a stew-pan.
Stir in enough flour to make a stiff paste.
Add the claret or port wine, mushroom ketchup, salt, and black pepper.
Gradually add the strained liquor.
Bring the mixture to a boil.
Let it cook for 15 minutes.
Skim the sauce.
Strain it.
Serve
Serve over the steaks with onions around the dish.
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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Butter + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
-
Port wine + mushroomtop 10% of all pairsSmell alikemoderateCooked together570 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Mushroom + peppertop 11% of all pairsSmell alikemoderateCooked together13,580 recipes
Shared aroma: 2-nonenal (fatty, green).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + port winetop 13% of all pairsSmell alikemoderateCooked together1,499 recipes
Shared aroma: ethyl octanoate (fruity, wine).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Liquor
- Forms the savoury meat-based body of the gravy.
- Butter
- Enriches the sauce with fat and helps carry flavour.
- Flour
- Thickens the liquor into a smooth, stiff base for the sauce.
- Claret or port wine
- Adds acidity and depth of flavour to the sauce.
- Mushroom ketchup
- Contributes concentrated savoury, umami flavour.
The step that matters
Gradually add the strained liquor. Adding liquid slowly to the flour and butter paste lets starch disperse evenly, preventing lumps and giving a smooth, well-thickened gravy.
“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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