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 ↓
Mountain Cake
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the batter
Cream the butter and sugar together in a large bowl.
Add the beaten yolks of the eggs and mix well.
Gradually add the sifted flour and baking powder, alternating with the milk, and beat until smooth.
Stir in the vanilla extract.
Gently fold in the beaten egg whites.
Bake
Pour the batter into loaf, layer, or muffin pans.
Bake at 350°F (175°C) until a toothpick inserted in the center comes out clean.
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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Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + vanillatop 12% of all pairsSmell alikemoderateCooked together19,241 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Butter
- Creams with sugar to trap air and give a tender, rich crumb.
- Eggs
- Yolks add richness and emulsify the batter; whites are folded in to lighten the structure.
- All-purpose flour
- Forms the gluten and starch framework that sets the cake's structure.
- Baking powder
- Releases gas in the oven so the cake rises and becomes light.
- Milk
- Adds moisture and hydrates the flour to form a smooth batter.
- Sugar
- Sweetens the cake and helps tenderize the crumb while creaming air into the butter.
The step that matters
Gently fold in the beaten egg whites. Egg whites hold air bubbles that give the cake its lift. Overmixing or stirring vigorously knocks that air out, leaving a dense, flat cake.
Swap the vanilla
How well each one fits the dish's main ingredients (butter, sugar, egg, flour, milk):
- Vanillathe original
- Raisinfits about as well
- Figfits less well
- Coconutfits less well
Fit is the average pairing score against butter, sugar, egg, flour, milk. 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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