Why it works: Milk and apple are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 4,104 recipes. Both carry 4-heptenal, which smells creamy, biscuit. The science ↓
German Apple 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 dough
Preheat the oven to 350°F (175°C).
In a bowl, mix flour, baking powder, sweet milk, shortening, and salt until combined.
Roll the dough to a thickness of ½ inch.
Cut the rolled dough into quarters.
Top and bake
Place enough juicy apple slices on top to cover.
Sprinkle sugar over the apples.
Bake until golden brown.
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 + appletop 11% of all pairsSmell alikemoderateCooked together4,104 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
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Milk + sugartop 18% of all pairsSmell alikelowCooked together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
Flour and milk barely smell alike, yet cooks put them together in 78,219 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
- Flour
- Forms the main structure of the cake as its starches set during baking.
- Baking powder
- Releases gas in the batter so the cake rises and becomes light.
- Sweet milk
- Hydrates the flour to form the dough and adds moisture to the crumb.
- Shortening
- Adds fat that tenderizes the crumb and keeps it from tasting dry.
- Juicy apples
- Provide moisture and fruity flavor that bakes into the cake.
- Sugar
- Adds sweetness and helps the top brown as it caramelizes in the oven.
The step that matters
Roll the dough to a thickness of ½ inch. Even thickness lets the cake bake through at the same rate, so thin spots do not dry out or burn while thicker areas stay raw in the middle.
Swap the apple
How well each one fits the dish's main ingredients (flour, milk, sugar):
- Vanillafits better
- Raisinfits better
- Figfits better
- Applethe original
Fit is the average pairing score against flour, milk, sugar. 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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