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 ↓
Walnut Cake
Ingredients
Directions
The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare
Preheat the oven to 300°F (150°C).
Beat the egg whites until stiff.
In a separate bowl, cream the butter and sugar together.
Make and bake the batter
Add the milk, flour, chopped walnuts, baking soda, cream of tartar, and vanilla to the butter mixture.
Fold in the beaten egg whites gently.
Pour the batter into a greased cake pan and bake for about 30-40 minutes.
Finish
Once cooled, frost with chocolate frosting and top with half walnuts.
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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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
- Egg whites
- Beaten until stiff, they trap air and give the cake its light, airy structure.
- Butter
- Creamed with sugar, it adds richness and a tender crumb.
- Sugar
- Creamed with butter, it sweetens the cake and helps browning.
- Flour
- Provides the main structure that holds the cake together as it sets.
- Baking soda
- Reacts with the acid in the batter to produce gas that helps the cake rise.
- Cream of tartar
- Acid that stabilises the whipped egg whites and works with the baking soda to aid rising.
The step that matters
Folding in the beaten egg whites. Stirring vigorously knocks out the air trapped in the whites, leading to a dense cake. Fold gently with a spatula so the batter stays light and rises well.
Swap the walnut
How well each one fits the dish's main ingredients (egg, sugar, butter, milk, flour, cream, vanilla):
- Almondfits better
- Chestnutfits better
- Hazelnutfits better
- Walnutthe original
Fit is the average pairing score against egg, sugar, butter, milk, flour, cream, vanilla. 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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