Why it works: Lemon and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Boiled Fowl with Egg Sauce
Ingredients
Directions
Prepare the fowl
Truss the fowl.
Rub the fowl with a little lemon juice.
Wrap the fowl in buttered paper or cloth.
Boil the fowl according to its size.
Make the sauce
Melt the butter in a saucepan.
Stir in the flour to make a roux.
Gradually add the broth and milk.
Stir the mixture until smooth.
Separate the egg whites from the yolks.
Chop the egg whites.
Add the chopped egg whites, pepper, salt, and lemon juice to the sauce.
Serve
Drain the cooked fowl.
Place the fowl on a serving dish.
Pour the sauce over the fowl.
Rub the egg yolks through a coarse wire sieve on top.
Optionally rub the liver of the fowl through the sieve onto the breast.
Garnish the dish with lemon slices and parsley.
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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Lemon + parsleytop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Fowl
- Provides the main cooked meat and the broth used for the sauce.
- Butter
- Enriches the roux and adds richness and flavour to the sauce.
- Flour
- Thickens the butter and broth mixture into a smooth, stable sauce.
- Broth
- Forms the liquid base of the sauce, adding savoury flavour.
- Milk
- Adds creaminess and body to the sauce.
- Hard boiled eggs
- Chopped whites add texture to the sauce; sieved yolks add a crumbly topping.
The step that matters
Stir the mixture until smooth. Liquid must be added gradually to the roux and stirred constantly so the starch swells evenly; adding it too fast causes lumps that are hard to remove.
Swap the parsley
How well each one fits the dish's main ingredients (egg, butter, flour, milk, lemon, pepper):
- Parsleythe original
- Nutmegfits about as well
- Cardamomfits about as well
- Cinnamonfits less well
Fit is the average pairing score against egg, butter, flour, milk, lemon, pepper. 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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