Why it works: Milk and butter match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 81,222 recipes mention both. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
The recipe
Ingredients
Contains: egg, milk (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the base
Warm the cream and milk together in a clean saucepan.
Make a smooth batter with the rice flour or potato flour and stir it into the milk.
Let it simmer, stirring constantly until it thickens.
Add the butter, sugar, and grated lemon peel, then remove from heat.
Quickly stir in the beaten egg yolks.
Bake and serve
Butter a pan and pour the mixture into it, filling it only halfway.
Just before placing in the oven, add the whisked egg whites on top.
Bake in a preheated oven at 400°F (200°C) and serve immediately.
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 aroma chemistry they share, and how many recipes mention both.
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Milk + buttertop 3% of all pairsAroma overlapstrongMentioned together81,222 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Milk + ricetop 3% of all pairsAroma overlapstrongMentioned together7,354 recipes
Shared aroma: 2-nonenal (fatty, green).
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Cream + buttertop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Cream + sugartop 5% of all pairsAroma overlapmoderateMentioned together43,437 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Rice + lemontop 7% of all pairsAroma overlapstrongMentioned together4,283 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Enrich the base and add richness and a custard-like set as they cook.
- Whites of eggs
- Whipped to foam, they lift the mixture and give the soufflé its rise and airy texture.
- Rice flour or potato flour
- Thickens the milk and cream into a smooth base that holds the risen structure.
- Cream
- Adds fat and richness, giving a softer, more tender texture.
- Butter
- Adds fat and flavour, contributing richness and a smooth mouthfeel.
The step that matters
Quickly stir in the beaten egg yolks. Adding yolks to a hot base must be done quickly so they do not scramble, and the mixture should be baked right after the whites are added, since the foam begins to collapse as it waits.
Flavor stand-ins for the lemon
How well each one fits the dish's main ingredients (cream, milk, rice, butter, sugar, egg):
- Vanillabetter flavor fit
- Coconutbetter flavor fit
- Strawberrybetter flavor fit
- Lemonthe original
Fit is the average pairing score against cream, milk, rice, butter, sugar, egg. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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