Why it works: Flour and butter 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 ↓
Gravy for Poultry
Ingredients
Directions
Prepare the giblets
Chop the gizzard and heart very finely.
Brown the liver quickly in a pan and place it on a platter.
Boil the water from the giblets until it reduces to 1 cup.
Make the gravy
Mix the flour with the butter until smooth, then add to the boiling water.
Boil slowly for 5 minutes, keeping it hot.
Skim off most of the oil from the drippings after removing the poultry.
Add enough drippings to the gravy to make 1 pint.
Stir thoroughly and add salt if needed.
Serve hot in a nice 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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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + walnuttop 12% of all pairsSmell alikemoderateCooked together5,873 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Walnut + buttertop 15% of all pairsSmell alikemoderateCooked together6,832 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Liver + buttertop 19% of all pairsSmell alikemoderateCooked together2,065 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Liver + walnuttop 22% of all pairsSmell alikemoderateCooked together52 recipes
Shared aroma: 2-nonenal (fatty, green).
Flour and butter 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
- Flour
- Lightly browned flour thickens the gravy as it cooks in the liquid.
- Butter
- Fat blended with the flour helps it mix smoothly into the boiling liquid without lumps.
- Drippings from poultry
- Adds rich fat and roasted flavor to the gravy.
- Liver
- Browned liver adds deeper savory flavor, though it is served separately here.
The step that matters
Mix the flour with the butter until smooth, then add to the boiling water.. Flour clumps if it hits hot liquid unblended. Working it smooth with fat first lets the starch disperse evenly, so the gravy thickens without lumps.
Swap the walnut
How well each one fits the dish's main ingredients (liver, flour, butter):
- Almondfits better
- Pistachiofits about as well
- Chestnutfits about as well
- Walnutthe original
Fit is the average pairing score against liver, flour, butter. 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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