Why it works: Milk and lemon are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 19,053 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Spanish Cream
Ingredients
Directions
Make the custard
Dissolve the gelatine in the sweet milk and heat nearly to boiling.
Whisk together the egg yolks and sugar, then add to the milk mixture.
Cook for about 30 seconds to cook the yolks, then remove from heat.
Finish and chill
Fold in the beaten egg whites and flavor with lemon.
Chill before serving.
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 + lemontop 15% of all pairsSmell alikemoderateCooked together19,053 recipes
Shared aroma: 2-nonenal (fatty, green).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + eggtop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + sugartop 18% of all pairsSmell alikelowCooked together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
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Egg + lemontop 19% of all pairsSmell alikelowCooked together44,316 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
Sugar and lemon 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
- Gelatine
- Sets the milk mixture into a soft, sliceable cream as it chills.
- Egg yolks
- Thicken the milk mixture and add richness and a custard-like body.
- Egg whites
- Beaten and folded in, they add lightness and an airy texture.
- Sugar
- Sweetens the cream and helps stabilise the egg yolks while whisking.
- Sweet milk
- Forms the base liquid that the gelatine sets and the custard is built on.
The step that matters
Cooking the yolk mixture. Egg yolks thicken when gently heated but can scramble if overheated. Cooking only briefly and removing from heat as soon as it thickens keeps the custard smooth before the egg whites are folded in.
Swap the lemon
How well each one fits the dish's main ingredients (milk, egg, sugar):
- Vanillafits better
- Figfits about as well
- Raisinfits about as well
- Lemonthe original
Fit is the average pairing score against milk, 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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