Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Carrots, a LA Francaise
Ingredients
Directions
Prepare
Scrape the carrots and cut the small ends in half and the large ends into eighths.
Cook the carrots
Boil the carrots in water with salt and sugar for 1 hour.
Drain the carrots and place them in a pan with butter, shaking until absorbed.
Pour in the milk and simmer gently for 1 hour.
Make the sauce and serve
Beat the egg yolks and stir them into the milk, simmer for 2 minutes.
Pour the sauce over the carrots 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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
-
Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Milk + eggtop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Carrot + milktop 18% of all pairsSmell alikemoderateCooked together2,259 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Carrots
- Form the main body of the dish and absorb the butter and sauce as they cook.
- Butter
- Adds richness and fat, coating the carrots and carrying flavour.
- Milk
- Forms the base of the sauce, adding moisture and a soft, creamy texture.
- Egg yolks
- Thicken the milk into a custard-like sauce as they gently set with heat.
- Sugar
- Adds sweetness and helps the carrots taste rounded and mellow.
The step that matters
Simmering the egg yolks into the milk. Egg yolks set with heat, so if the milk is too hot or boils, the sauce can curdle or turn grainy. Keeping the simmer gentle and steady lets the yolks thicken it smoothly.
Swap the carrot
How well each one fits the dish's main ingredients (sugar, butter, milk, egg):
- Potatofits better
- Sweet potatofits better
- Asparagusfits better
- Carrotthe original
Fit is the average pairing score against sugar, butter, milk, 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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