Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Holiday 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.
Prepare the batter
Preheat the oven to 350°F (175°C).
In a large bowl, cream together the sugar and butter until light and fluffy.
Add the corn starch, flour, cream of tartar, baking soda, sweet milk, and essence. Mix well.
In a separate bowl, beat the egg whites until stiff peaks form, then gently fold them into the batter.
Pour the batter into greased 12x8 inch pans.
Bake and assemble
Bake until a toothpick inserted in the center comes out clean.
For the frosting, beat together the fine sugar, egg whites, and essence until smooth.
Layer the cooled cakes with frosting in between.
Trim the edges and cut the cake into 4x3 inch pieces.
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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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 + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Corn + milktop 10% of all pairsSmell alikemoderateCooked together6,955 recipes
Shared aroma: hexanal (green, grassy).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 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
- Whipped to stiff peaks, they trap air and give the cake a light, airy structure.
- Butter
- Creamed with sugar, it traps air and adds richness and tenderness to the crumb.
- Flour
- Forms the main structure of the cake as its proteins set during baking.
- Sugar
- Creams with butter for aeration and adds sweetness and browning to the crumb.
- Baking soda
- Reacts with the acidic cream of tartar to produce gas that helps the cake rise.
- Cream of tartar
- Acidifies the batter, helping stabilize the whipped egg whites and react with baking soda.
The step that matters
Folding the whipped egg whites into the batter. Stiff whites hold the air that lifts the cake. Overmixing or stirring vigorously deflates them, leading to a dense, flat crumb. Fold gently until just combined.
“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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