Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Celery Sauce
Ingredients
Directions
Make the sauce
Mix the flour with the butter in a saucepan.
Stir in the boiling milk until smooth.
Cut the celery into small pieces and boil in water for a few minutes, then strain.
Add the celery to the butter mixture and stir over low heat for 5 to 10 minutes.
Finish the sauce
For an alternative method, boil one head of celery until tender and strain.
In a bowl, beat the egg yolk with the lemon juice, then mix in the strained celery and turkey broth.
Season with salt and pepper to taste.
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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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Celery + lemontop 3% of all pairsSmell alikestrongCooked together3,467 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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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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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter 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
- Flour
- Thickens the butter and milk into a smooth, body-rich sauce.
- Butter
- Adds richness and carries the flour so it thickens evenly.
- Milk
- Forms the liquid base that the flour thickens into a sauce.
- Celery
- Provides the main flavor and fills the sauce with its texture.
- Egg yolk
- Enriches and thickens the sauce when beaten in.
- Lemon juice
- Adds acidity that brightens the sauce and balances the richness.
The step that matters
Stirring the egg yolk into the sauce. Egg yolk can curdle or scramble if it meets hot liquid directly. Beating it with lemon juice and the strained celery first, and adding it gradually, helps it blend smoothly and thicken gently.
Swap the celery
How well each one fits the dish's main ingredients (flour, butter, milk, pepper, egg, lemon, turkey):
- Parsleyfits better
- Nutmegfits better
- Thymefits better
- Celerythe original
Fit is the average pairing score against flour, butter, milk, pepper, egg, lemon, turkey. 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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