Why it works: Thyme and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,057 recipes. Both carry cuminaldehyde, which smells Spicy, cumin. The science ↓
Stewed Eels a LA Francaise
Ingredients
Directions
Cook the eels
In a saucepan, combine eels, parsley, thyme, onion, butter, lemon juice, salt, pepper, and boiling water.
Cook gently until the eels are tender.
Remove the eels with a perforated spoon and keep warm.
Make the sauce and serve
Strain the cooking liquid, thicken it with flour, and boil for 3 minutes.
Beat the eggs and stir them into the sauce quickly, then remove from heat before they curdle.
Pour the sauce over the eels 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.
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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Thyme + parsleytop 1% of all pairsSmell alikestrongCooked together9,057 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
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Parsley + lemontop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Thyme + lemontop 1% of all pairsSmell alikestrongCooked together3,973 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Parsley + peppertop 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).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eels
- Provide the main protein, which becomes tender when gently simmered in the liquid.
- Eggs
- Thicken and enrich the sauce, giving it a smooth, creamy body when gently heated.
- Butter
- Adds richness and fat, rounding out the flavour and mouthfeel of the sauce.
- Flour (in the method)
- Thickens the strained cooking liquid into a sauce that coats the eels.
- Lemon juice
- Adds acidity that brightens the rich sauce and balances its fat.
The step that matters
Adding the eggs to the sauce. Egg proteins set when heated, so if the sauce gets too hot after the eggs go in, they curdle and the sauce turns grainy. Stirring quickly and removing the pan from heat keeps it smooth.
Swap the onion
How well each one fits the dish's main ingredients (butter, thyme, parsley, lemon, pepper, egg):
- Shallotfits better
- Leekfits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against butter, thyme, parsley, lemon, pepper, egg. 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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