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
Ingredients
Directions
Remove the roast from the dripping pan.
Stir flour into the stock in the pan, mixing it with a little water to avoid lumps.
Pour the thickened stock back into the pan and add boiling water.
Place over heat for about five minutes, stirring constantly.
If the stock has little fat, add butter before stirring in the flour.
Strain the gravy when done.
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).
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
- Drippings
- Provide the flavorful stock, fat and browned pan residue that give the gravy its taste and color.
- Flour
- Thickens the liquid as its starch swells and gelatinizes when heated.
- Butter
- Adds fat for richer flavor and a smoother mouthfeel when the drippings are lean.
The step that matters
Mixing the flour with water before adding it to the stock. Dry flour clumps when it hits hot liquid because its outer layer hydrates unevenly. Mixing it with a little cold water first separates the particles, so the starch disperses and thickens the gravy smoothly as it heats.
“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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