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 and boil
Scrape the carrots and cut the small ends in half and the large ends into eighths.
Boil the carrots in water with salt and sugar for 1 hour.
Drain the carrots on a cloth and place them in a saucepan with butter.
Make the sauce
Shake the carrots until the butter is nearly absorbed.
Pour the milk and simmer gently for 1 hour.
Beat the egg yolks and stir them into the milk, simmering for 2 minutes.
Serve
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).
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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 body of the dish and soften into tender pieces during long cooking.
- Butter
- Adds richness and a glossy coating that clings to the carrots.
- Milk
- Forms the creamy liquid base that becomes the sauce.
- Egg yolks
- Thicken the milk into a smooth sauce as their proteins set with gentle heat.
- Sugar
- Adds sweetness that balances the savory butter and salt.
The step that matters
Stir the egg yolks into the milk and simmer gently. Egg yolk proteins set when heated, so they thicken the sauce smoothly at a gentle simmer. Too much heat or boiling can scramble the yolks into grainy curds.
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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