Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓
Butter Cake
Ingredients
Directions
Make the batter
Cream the butter and gradually add the sugar.
Beat in the eggs until well combined, maintaining a consistent mixture.
Add the vanilla, then one-third of the milk and one-third of the flour, beating well.
Sift in the last third of the flour with the baking powder and mix well before adding the remaining milk.
Bake and finish
Bake in shallow cake pans and layer with different frostings or fillings.
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 + vanillatop 5% of all pairsSmell alikemoderateCooked together19,187 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
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Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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Flour + vanillatop 12% of all pairsSmell alikemoderateCooked together19,241 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
- Sugar
- Adds sweetness and, creamed with fat, helps trap air for a lighter crumb.
- Eggs
- Provide structure and moisture, and bind the batter together.
- Milk
- Adds moisture and hydrates the flour so its proteins can form structure.
- Flour
- Forms the main structure as its proteins and starches set during baking.
- Baking powder
- Releases carbon dioxide gas in the batter, causing the cake to rise.
- Vanilla
- Adds aroma and a rounded flavour.
The step that matters
Beating in the eggs until well combined. Eggs must blend fully into the creamed butter and sugar to form a stable emulsion. If the mixture curdles or separates, it holds less air, which can make the cake dense and uneven.
Swap the vanilla
How well each one fits the dish's main ingredients (sugar, egg, milk, flour):
- Vanillathe original
- Raisinfits about as well
- Figfits less well
- Blueberryfits less well
Fit is the average pairing score against sugar, egg, milk, flour. 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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