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, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
In a saucepan, bring the water and butter to a boil.
Stir in the sifted flour until it pulls away from the sides of the pan.
Remove from heat and add the eggs one at a time, mixing well after each addition.
Transfer the batter to a piping bag and pipe out finger shapes onto a greased baking sheet.
Once cooled, fill the éclairs with cream made from milk, sugar, egg yolks, butter, corn starch, and vanilla extract.
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 + vanillatop 2% of all pairsAroma overlapmoderateMentioned together19,175 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
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Butter + milktop 3% of all pairsAroma overlapstrongMentioned together81,222 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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 + corntop 4% of all pairsAroma overlapstrongMentioned together6,953 recipes
Shared aroma: hexanal (green, grassy).
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Corn + vanillatop 6% of all pairsAroma overlapstrongMentioned together1,943 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
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
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