Why it works: Apple and lemon are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 7,551 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Apple Cheesecakes
Ingredients
Directions
The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the apples
Peel, core, and slice the apples.
Place the sliced apples in a saucepan with the sugar and 2 tablespoons of water.
Simmer gently until tender.
Rub the cooked apples through a fine sieve.
Return the apple pulp to the saucepan.
Make the filling
Add the lemon juice and finely grated lemon rind.
Reheat.
Stir in the yolks of 6 eggs and the whites of 2 eggs.
Cook until the mixture thickens.
Bake and serve
Line patty pans with pastry.
Partially bake the patty pans.
Fill the pastry with the apple mixture.
Cover lightly with stiffly whipped sweetened egg whites.
Bake at 350°F (175°C) for about 15 minutes.
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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Apple + lemontop 14% of all pairsSmell alikemoderateCooked together7,551 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Apple + buttertop 14% of all pairsSmell alikemoderateCooked together8,706 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Apples
- Provide the bulk and tart fruit flavour of the filling once cooked to a pulp.
- Eggs
- Thicken the apple mixture as it cooks and form the whipped meringue topping.
- Sugar
- Sweetens the apples and helps the meringue topping brown lightly in the oven.
- Butter
- Adds richness and a smooth, tender mouthfeel to the filling.
- Lemons
- Add acidity and aroma that brighten the sweet apple filling.
The step that matters
Cook the filling until it thickens. Egg yolks set when heated, so the mixture must be cooked gently and stirred until thick; overheating can curdle the eggs, while undercooking leaves the filling runny.
Swap the apple
How well each one fits the dish's main ingredients (sugar, butter, egg, lemon):
- Vanillafits better
- Orangefits better
- Raspberryfits better
- Applethe original
Fit is the average pairing score against sugar, butter, egg, lemon. 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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