Why it works: Butter and cream match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 41,494 recipes mention both. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
The recipe
Ingredients
Contains: egg, milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Make the soup
Mix the butter and flour and bring to the boil.
Slowly add the warm stock and bring to the boil.
Let the soup boil for another 10 minutes.
Finish with the egg
Beat the egg with the cream or milk and slowly pour in some hot soup until the egg is thoroughly heated through.
Then pour in the rest of the soup.
This recipe comes from the Recipes Wiki on Fandom and is licensed CC BY-SA 4.0. Our formatting and summaries are shared under the same licence.
Steps grouped into stages for easier reading; the method is the source's own.
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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Butter + creamtop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Butter + flourtop 6% of all pairsAroma overlaplowMentioned together122,858 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Chicken + buttertop 7% of all pairsAroma overlapstrongMentioned together13,869 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
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Butter + eggtop 8% of all pairsAroma overlapstrongMentioned together118,511 recipes
Shared aroma: nonanal (fat, citrus).
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Flour + eggtop 8% of all pairsAroma overlaplowMentioned together104,138 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour share little aroma chemistry, yet 122,858 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
- Butter
- Fat that combines with flour to form a roux, giving the soup body.
- Flour
- Starch that thickens the stock once cooked with the butter.
- Chicken stock
- Liquid base that carries the flavour of the soup.
- Egg yolk
- Enriches and thickens the soup when gently heated into it.
- Cream or milk
- Adds richness and softness, and dilutes the egg so it blends smoothly.
The step that matters
Adding the egg to the soup. Egg yolk can curdle or scramble if it meets very hot liquid directly. Beating it with cream or milk and slowly adding hot soup gently raises its temperature, so it thickens the soup 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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