Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Roast Partridges
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Clean and truss the partridges.
Lard the partridges with thin slices of fat salt pork.
Roast and make the gravy
Roast the partridges in a 400°F (200°C) oven for 30 minutes.
For the gravy, melt ½ cup butter in a basin until it boils.
Stir in 1 tablespoon dry flour and cook until dark brown.
Pour in ½ pint boiling water and season with salt, pepper, and the partridge drippings.
Add 1 tablespoon currant jelly to the gravy before serving.
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 + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + porktop 13% of all pairsSmell alikemoderateCooked together13,933 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
-
Pepper + porktop 16% of all pairsSmell alikemoderateCooked together22,121 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Currant + buttertop 17% of all pairsSmell alikemoderateCooked together7,856 recipes
Shared aroma: isoamyl acetate (banana, pear).
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Pepper + flourtop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Butter
- Provides fat for the gravy and carries the flavour of the roux.
- Dry flour
- Thickens the gravy as it cooks with the butter into a roux.
- Currant jelly
- Adds sweetness and a fruity tang that balances the rich gravy.
- Fat salt pork
- Bastes the lean birds with fat during roasting, keeping the meat moist.
The step that matters
Cook the flour in the butter until dark brown. Cooking the flour in fat toasts its starch and builds browning and nutty flavour. Stopping too early leaves a pale, raw-tasting gravy, while going too far can scorch it and make it bitter.
Swap the currant
How well each one fits the dish's main ingredients (pepper, butter, flour, pork):
- Avocadofits better
- Lemonfits better
- Mangofits better
- Currantthe original
Fit is the average pairing score against pepper, butter, flour, pork. 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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