Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Fricassee of Crab
Ingredients
Directions
Make the sauce
Pound the yolks of the hard-boiled eggs into a powder.
Work in the butter, flour, and French mustard.
Add salt, red pepper, and mace.
Heat the milk to a boil, then remove from heat.
Gradually stir the hot milk into the egg mixture.
Cook and serve
Stir in the crab meat and cover.
Set over boiling water for 5 minutes, stirring often.
Add the sherry and pour over the lemon slices in a deep 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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + crabtop 10% of all pairsSmell alikemoderateCooked together812 recipes
Shared aroma: nonanal (fat, citrus).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mustard + crabtop 12% of all pairsSmell alikemoderateCooked together193 recipes
Shared aroma: 2-methylbutyraldehyde (malty, chocolate).
Butter and flour 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
- Hard-boiled egg yolks
- Pounded yolks thicken the sauce and give it a rich, smooth body.
- Butter
- Adds fat and richness to the sauce and carries flavour.
- Flour
- Thickens the milk into a smooth, stable sauce.
- Milk
- Forms the liquid base of the sauce, which thickens as it heats.
- Crab meat
- Provides the main flavour and tender texture of the dish.
The step that matters
Gradually stir the hot milk into the egg mixture. Adding hot milk slowly lets the yolks and butter blend smoothly without scrambling. Pouring it in all at once can cook the yolks into lumps and leave the sauce grainy.
Swap the mace
How well each one fits the dish's main ingredients (egg, butter, flour, mustard, pepper, milk, crab):
- Capersfits better
- Nutmegfits better
- Tarragonfits better
- Macethe original
Fit is the average pairing score against egg, butter, flour, mustard, pepper, milk, crab. 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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