Why it works: Milk and butter 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 ↓
Apple Cream 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
Preheat the oven to 350°F (175°C).
In a bowl, mix ½ cup sugar, ⅓ cup milk, 1 egg, ⅓ cup melted butter, 1 teaspoon lemon extract, and 1½ teaspoons baking powder.
Add enough flour to create a smooth batter.
Bake and make the filling
Divide the batter into 3 layers and bake.
For the filling, combine grated apple, 1 cup sugar, beaten egg white, and 1 teaspoon flavoring. Beat until light and creamy.
Assemble
Spread the filling between the layers and on 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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Milk + appletop 11% of all pairsSmell alikemoderateCooked together4,104 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Lemon + appletop 14% of all pairsSmell alikemoderateCooked together7,551 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 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
- Eggs
- Bind the batter and, as beaten white, lighten the apple filling.
- Baking powder
- Releases gas in the batter so the layers rise and turn light.
- Butter
- Adds fat and richness, keeping the layers tender.
- Flour
- Forms the structure that holds the layers together.
- Grated apple
- Adds moisture and fruity flavor to the filling.
- Sugar
- Sweetens the batter and filling and helps browning in the layers.
The step that matters
Beat the filling until light and creamy. Beating the egg white with the grated apple and sugar traps air in the mixture, giving the filling a light, spreadable texture instead of a dense, runny one.
Swap the apple
How well each one fits the dish's main ingredients (sugar, milk, egg, butter, lemon, flour):
- Vanillafits better
- Raisinfits better
- Figfits better
- Applethe original
Fit is the average pairing score against sugar, milk, egg, butter, lemon, 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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