Why it works: Chestnut and flour match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 517 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Chestnuts a LA Maitre D' Hotel
Ingredients
Directions
Prepare the chestnuts
Boil the chestnuts for 30 minutes, ensuring there are no wormy or imperfect ones.
Remove the shells and skins, then chop the chestnut meat finely.
Make the sauce
Melt the butter in a frying pan and stir in the chopped chestnuts, cooking for 5 minutes.
Add the flour and mix well.
Slowly pour in the hot milk while stirring until it thickens.
Remove from heat.
Stir in the beaten egg yolk. Do not cook after adding the yolk.
Serve
Serve in a border made of the boiled rice.
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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Chestnut + flourtop 6% of all pairsSmell alikestrongCooked together517 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Milk + ricetop 7% of all pairsSmell alikemoderateCooked together7,374 recipes
Shared aroma: 2-nonenal (fatty, green).
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Chestnut + ricetop 8% of all pairsSmell alikemoderateCooked together169 recipes
Shared aroma: decanal (soap, orange peel).
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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
- Chestnuts
- Provide the main bulk and nutty, starchy body of the dish.
- Egg yolk
- Thickens the sauce and gives it a rich, smooth texture when heated gently.
- Butter
- Adds fat for richness and carries flavour when the chestnuts are cooked.
- Flour
- Thickens the milk into a smooth sauce that holds the chestnuts together.
- Hot milk
- Forms the liquid base of the sauce, adding moisture and creaminess.
The step that matters
Stir in the egg yolk off the heat. Egg yolk thickens by gentle heat and can scramble if it gets too hot. Removing the pan from the heat before adding it keeps the sauce smooth and creamy.
Swap the chestnut
How well each one fits the dish's main ingredients (egg, milk, butter, rice, flour):
- Almondfits better
- Milletfits about as well
- Peanutfits about as well
- Chestnutthe original
Fit is the average pairing score against egg, milk, butter, rice, flour. 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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