Why it works: Bread and butter match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 27,145 recipes mention both. Both carry delta-decalactone, 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 vinegar and shallot base
Put two tablespoonfuls of vinegar into a saucepan and reduce by half.
Chop four shallots very fine.
Put the shallots in a saucepan with four tablespoonfuls of sweet-oil.
When the mixture begins to color slightly, add half a pint of Spanish sauce (Art. 80).
Finish the sauce
Add the reduced vinegar to the other ingredients, with a tablespoonful of Bechamel sauce (Art. 83) and an ounce of butter, mixing all well together.
Take the yolks of four eggs and mix them in a little water.
Remove the sauce from the fire when it has ceased boiling, add the egg yolk mixture, the juice of a lemon, strain, and serve.
Make the onion and crumb variation
Chop an onion very fine.
Put the onion in a saucepan with four ounces of bread-crumbs (sieved).
Add a little salt, pepper, and a glass of milk.
Boil for ten minutes.
Add a glass of cream.
Serve.
Make the shallot and butter sauce
Chop up three shallots.
Put the shallots in a saucepan with a pinch of chervil, a branch of tarragon, a green onion, and two tablespoonfuls of vinegar.
Reduce by half, and let cool.
Add four ounces of butter, eight yolks of eggs, a sherry-glass of water, salt, pepper, and a very little nutmeg.
Put the saucepan again on a gentle fire, stir well until the sauce thickens.
Strain, and serve.
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. See the original page.
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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Bread + buttertop 3% of all pairsAroma overlapstrongMentioned together27,145 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Butter + truffletop 4% of all pairsAroma overlapstrongMentioned together2,209 recipes
Shared aroma: nonanal (fat, citrus).
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Sherry + vinegartop 5% of all pairsAroma overlapstrongMentioned together660 recipes
Shared aroma: 4-ethyl-2-methoxyphenol (smoky, clove).
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Bread + eggtop 6% of all pairsAroma overlapstrongMentioned together22,584 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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Butter + sherrytop 6% of all pairsAroma overlapstrongMentioned together3,505 recipes
Shared aroma: ethyl octanoate (fruity, wine).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Egg yolks thicken the sauce as they set with gentle heat, giving it body and a smooth texture.
- Butter
- Adds fat and richness, giving the sauce a smooth, rounded mouthfeel.
- Bread-crumbs
- Absorb liquid and thicken the mixture, giving it body.
- Shallots
- Provide a mild onion-like aroma and sweetness when softened in oil.
- Vinegar
- Adds acidity, sharpening the flavour and balancing the richness of the eggs and butter.
The step that matters
Stir the egg yolks over gentle heat until the sauce thickens. Egg yolks set at low temperatures. If the sauce boils or gets too hot, the yolks can scramble and curdle, leaving a grainy texture instead of a smooth sauce.
Flavor stand-ins for the chervil
How well each one fits the dish's main ingredients (bread, butter, sauce, truffle, sherry, vinegar, egg):
- Parsleybetter flavor fit
- Tarragonbetter flavor fit
- Nutmegbetter flavor fit
- Chervilthe original
Fit is the average pairing score against bread, butter, sauce, truffle, sherry, vinegar, egg. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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