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 ↓
Sandwich Cake
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 400°F (200°C).
Cream the butter and sugar together until light and fluffy.
Beat the egg yolks into the mixture.
Add the flour and baking powder.
If using, mix the cream of tartar with the flour.
Add the baking soda to the milk.
Combine all ingredients.
Add a few drops of lemon extract.
Beat the mixture well for a few minutes.
Bake and fill
Pour the batter into four flat baking tins.
Bake until golden brown.
Once cooled, fill with jelly, custard, or moistened desiccated coconut mixed with beaten egg whites.
Ice the top.
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).
-
Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
-
Milk + coconuttop 10% of all pairsSmell alikemoderateCooked together2,648 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Butter + coconuttop 12% of all pairsSmell alikemoderateCooked together3,467 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Yolks enrich the batter, and beaten whites add lift and a light, airy structure.
- Butter
- Creamed with sugar, it traps air and adds tenderness and richness to the crumb.
- Sugar
- Creamed with butter, it helps trap air and gives sweetness and golden browning.
- Flour
- Provides the structure that holds the cake together as it bakes.
- Baking powder
- Releases gas in the batter, causing the cake to rise and become light.
- Baking soda
- Reacts with acid in the batter to add lift and help browning.
The step that matters
Beat the mixture well for a few minutes. Thorough beating mixes the leavening evenly and builds air into the batter. Uneven mixing can leave pockets of leavener, causing uneven rise or a coarse texture.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, butter, egg, flour, milk, cream, coconut):
- Vanillafits better
- Raisinfits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against sugar, butter, egg, flour, milk, cream, coconut. 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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