Why it works: Milk and butter 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 ↓
Peach Surprise
Ingredients
Directions
The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Make the custard
Scald the milk in a double boiler.
Stir in the cornstarch mixed with a little cold milk.
Remove from heat and stir in the butter, egg yolks, and sugar until creamy.
Assemble and bake
Drain the juice from the peaches and place the peaches in a baking dish.
Cover the peaches with the milk mixture and bake in a 400°F (200°C) oven for 10 minutes.
Remove from the oven and spread the stiffly beaten egg whites sweetened with powdered sugar on top.
Return to the oven to brown.
Serve with the sweetened peach juice.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Milk + peachtop 10% of all pairsSmell alikemoderateCooked together781 recipes
Shared aroma: phellandrene (minty).
-
Butter + peachtop 14% of all pairsSmell alikemoderateCooked together860 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
-
Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
-
Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Milk
- Forms the liquid base of the custard that is poured over the peaches.
- Cornstarch
- Thickens the milk as it heats, giving the custard body.
- Egg yolks
- Thicken and enrich the custard, adding richness and a creamy texture.
- Butter
- Adds fat for richness and a smoother mouthfeel in the custard.
- Sugar
- Sweetens the custard.
- Peaches
- Provide the fruit base and the juice served alongside the dessert.
The step that matters
Stir in the cornstarch mixed with a little cold milk. Cornstarch mixed with cold liquid first disperses evenly, so it does not clump when added to hot milk. It thickens only when the mixture is heated, so the custard needs to be kept hot enough for the starch to swell.
Swap the peach
How well each one fits the dish's main ingredients (milk, butter, egg, sugar):
- Vanillafits better
- Figfits about as well
- Coconutfits about as well
- Peachthe original
Fit is the average pairing score against milk, butter, egg, sugar. 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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