Why it works: Milk and vanilla are a kitchen classic. They rank in the top 2% of all ingredient pairs, and 19,175 recipes mention both. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓
The recipe
Ingredients
Contains: egg, milk (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare
Separate the yolks of three eggs and set aside.
Scald the milk.
Make the custard
Beat the eggs and sugar together.
Pour the hot milk over the beaten eggs.
Cook until creamy.
Add the vanilla and set aside to cool.
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. See the original page.
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 + vanillatop 2% of all pairsAroma overlapmoderateMentioned together19,175 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
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Sugar + vanillatop 3% of all pairsAroma overlaplowMentioned together35,031 recipes
Shared aroma: beta-damascenone (apple, rose).
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Milk + eggtop 9% of all pairsAroma overlapmoderateMentioned together88,465 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + sugartop 9% of all pairsAroma overlaplowMentioned together77,855 recipes
Shared aroma: 2-nonenal (fatty, green).
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Sugar + eggtop 10% of all pairsAroma overlapstrongMentioned together122,252 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and vanilla share little aroma chemistry, yet 35,031 recipes mention both: they likely 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
- Eggs
- Thicken the custard as their proteins set when heated gently.
- Milk
- Forms the liquid base that the egg proteins set within.
- Sugar
- Sweetens the custard.
- Vanilla
- Adds aroma.
The step that matters
Cook until creamy. Egg proteins set at moderate heat, so if the custard gets too hot or cooks too fast, the eggs can curdle and turn grainy. Stir gently and stop heating once it coats a spoon.
“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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