Why it works: Celery and pepper match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 16,012 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Celery, Au Jus
Ingredients
Directions
Prepare the celery
Clean the celery and cut into equal lengths of 2 to 3 inches.
Cut each stick lengthwise and place in a deep dish.
Pour boiling water over the celery until covered and let soak for a few minutes.
Drain the celery through a colander.
Make the sauce
Melt the butter in a saucepan.
Sprinkle the flour over the melted butter.
Gradually pour in the stock while stirring continuously.
Add salt and pepper to taste.
Add the celery to the sauce and let it simmer uncovered until the sauce reduces.
Towards the end, add more stock, butter, and flour to thicken the sauce.
Serve
Serve the celery in a deep dish with the sauce.
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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Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Celery + flourtop 15% of all pairsSmell alikemoderateCooked together6,905 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + peppertop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + peppertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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
- Celery
- The main vegetable, which softens and becomes tender as it simmers in the sauce.
- Butter
- Adds fat for richness and carries flavour in the sauce.
- Flour
- Thickens the sauce when cooked with the melted butter and liquid.
- Stock
- Forms the liquid base of the sauce and supplies its savoury flavour.
The step that matters
Gradually pour in the stock while stirring continuously. Flour mixed into melted butter can form lumps if liquid is added all at once. Adding the stock slowly while stirring keeps the flour dispersed so the sauce thickens smoothly.
Swap the celery
How well each one fits the dish's main ingredients (butter, flour, pepper):
- Parsleyfits better
- Turmericfits better
- Nutmegfits better
- Celerythe original
Fit is the average pairing score against butter, flour, 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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