Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and 124,287 recipes mention both. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Giblet Soup
Ingredients
Directions
Prepare the broth
Combine the feet, neck, pinions, giblets, veal, and ham in a large pot.
Pour in 3 quarts of cold water and boil gently until the meat is very soft.
Strain the liquid and let it cool; remove the fat.
Cut the giblets and meat into half‑inch pieces.
Finish the soup
In a separate bowl, mix the flour and butter with some of the soup to thin it.
Add the butter mixture, meat, and sweet herbs to the soup.
Season with salt to taste and boil for 30 minutes 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 aroma chemistry they share, and how many recipes mention both.
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Flour + buttertop 12% of all pairsAroma overlaplowMentioned together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Veal + hamtop 15% of all pairsAroma overlaplowMentioned together3,264 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Ham + buttertop 16% of all pairsAroma overlapmoderateMentioned together5,475 recipes
Shared aroma: trans-2-decenal (waxy, orange).
-
Veal + buttertop 23% of all pairsAroma overlapmoderateMentioned together9,381 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Veal + flourtop 28% of all pairsAroma overlaplowMentioned together5,886 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter share little aroma chemistry, yet 124,287 recipes mention both: they likely 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
- Veal
- Breaks down during long simmering to give the broth body and savory meaty flavor.
- Fowl feet and necks
- Release gelatin and collagen into the broth, giving it body and a richer mouthfeel.
- Flour
- Thickens the soup when mixed with butter and liquid, giving it a smoother, heavier texture.
- Butter
- Adds richness and fat, carrying flavor and helping smooth the thickened soup.
- Lean ham
- Adds salty, savory depth to the broth as it simmers.
The step that matters
Thinning the flour and butter before adding it. If flour and butter are added directly to hot soup they can clump. Mixing them first with some warm soup lets the starch disperse evenly so the soup thickens smoothly.
“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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