Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Celery Au Gratin
Ingredients
Directions
The book says “a good oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the celery
Cut the celery into 1‑inch lengths.
Cook the celery in boiling salted water until tender.
Drain the celery.
Return the celery to the saucepan.
Make the sauce
Mix the hot milk with the butter and flour.
Pour the mixture over the celery.
Season the mixture with paprika and salt.
Simmer for 3 minutes.
Let cool in a bowl.
Beat in the eggs.
Bake and serve
Butter a pudding dish.
Cover the bottom with fine bread crumbs.
Pour the mixture into the dish.
Top the mixture with more crumbs.
Dot the top with butter.
Cover the dish and bake at 400°F (200°C) for 30 minutes.
Brown the top.
Serve the 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.
Photo for illustrative purposes only · Contact us to use it
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 + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Milk + breadtop 11% of all pairsSmell alikemoderateCooked together11,466 recipes
Shared aroma: 2-undecenal (sweet).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + breadtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, 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
- Celery
- Forms the bulk of the dish and becomes tender when boiled.
- Eggs
- Set when baked, binding the mixture into a custard-like texture.
- Flour
- Thickens the hot milk and butter into a smooth sauce.
- Milk
- Forms the liquid base of the sauce that coats the celery.
- Butter
- Adds richness and helps the top brown in the oven.
- Fine bread crumbs
- Form a crisp, golden layer on the top and bottom of the dish.
The step that matters
Beat in the eggs after the mixture cools. Eggs scramble if they meet very hot liquid, leaving lumps. Letting the mixture cool first lets the eggs blend smoothly and then set evenly in the oven.
Swap the celery
How well each one fits the dish's main ingredients (milk, butter, flour, egg, bread):
- Nutmegfits better
- Cinnamonfits better
- Capersfits better
- Celerythe original
Fit is the average pairing score against milk, butter, flour, egg, bread. 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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