Why it works: Lemon and orange match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Burnt Cream
Ingredients
Directions
Make the custard
Boil the cream with the lemon or lime peel.
Sweeten with pounded loaf sugar.
Beat in the egg yolks and whites, arrowroot or flour, orange-flower water, and ratafia.
Strain the cream and let it cool.
Mix the cooled cream with the egg mixture.
Stir over low heat until thickened like custard.
Finish and serve
Pour into a dish and sprinkle sifted sugar on top.
Brown the sugar with a salamander or under a broiler.
Serve cold.
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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Lemon + orangetop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Lemon + arrowroottop 4% of all pairsSmell alikestrongCooked together553 recipes
Shared aroma: coumarin (sweet, hay).
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Cream + sugartop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Arrowroot + orangetop 12% of all pairsSmell alikemoderateCooked together118 recipes
Shared aroma: coumarin (sweet, hay).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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
- Cream
- Provides richness and fat, giving the custard a smooth, creamy body.
- Egg yolks
- Thicken the custard as they set with gentle heat, giving structure and richness.
- Egg whites
- Add protein that helps set the custard and give it a lighter structure.
- Arrowroot or flour
- Stabilizes the custard so it thickens smoothly and holds its set without curdling.
- Sifted sugar
- Caramelizes under heat to form the brittle, browned crust on top.
The step that matters
Stir over low heat until thickened like custard. Egg proteins set at moderate temperatures, and too much heat can scramble the eggs into lumps. Gentle, constant stirring keeps the custard smooth and evenly thickened.
Swap the arrowroot
How well each one fits the dish's main ingredients (cream, lemon, sugar, egg, orange):
- Arrowrootthe original
- Asparagusfits about as well
- Sweet potatofits about as well
- Spinachfits about as well
Fit is the average pairing score against cream, lemon, sugar, egg, orange. 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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