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 Leche Crema
Ingredients
Directions
The book says “a quick 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 saucepan.
Stir in the cornstarch mixed with a little cold milk and cook, stirring, until it thickens.
Remove from heat and beat in the melted butter, then the egg yolks and powdered sugar. Whisk until light and creamy.
Assemble and bake
Drain the syrup from the peaches and place them in the bottom of a bake dish.
Pour the mixture gently over the peaches.
Bake at 400°F (200°C) for 10 minutes.
Spread the meringue made from the whipped egg whites over the top.
Return to the oven until the meringue is slightly browned.
Serve warm with sauce or cold with cream.
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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Peach + milktop 10% of all pairsSmell alikemoderateCooked together781 recipes
Shared aroma: phellandrene (minty).
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Peach + buttertop 14% of all pairsSmell alikemoderateCooked together860 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + buttertop 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
- Egg yolks
- Enrich the custard and add richness and a smooth set.
- Egg whites
- Whipped into meringue to create a light, airy topping that browns.
- Cornstarch
- Thickens the milk mixture as it cooks, giving the custard body.
- Milk
- Forms the base of the custard, which sets when baked.
- Powdered sugar
- Sweetens the custard and dissolves smoothly into the mixture.
- Peaches
- Provide fruit flavour and moisture beneath the custard.
The step that matters
Cooking the custard until it thickens. Cornstarch must be stirred over heat until it thickens, because it only gels once the starch granules swell fully. Undercooked starch leaves the custard thin and runny after baking.
Swap the peach
How well each one fits the dish's main ingredients (egg, milk, sugar, butter):
- Vanillafits better
- Figfits about as well
- Coconutfits about as well
- Peachthe original
Fit is the average pairing score against egg, milk, sugar, butter. 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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