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Dessert

Apple Custard

A custard made with milk, cornstarch, eggs, sugar, and grated tart apples, chilled to set.

From an old cookbook · modernised transcription
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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 ↓

Apple Custard

Ingredients

Directions

Make the custard

  1. In a saucepan, heat the milk until warm.

  2. In a bowl, mix cornstarch and sugar.

  3. Add the warm milk to the cornstarch mixture, stirring until smooth.

  4. Return the mixture to the saucepan and cook over medium heat until thickened.

  5. Remove from heat and let cool slightly before adding beaten eggs.

Layer and set

  1. Pour half of the custard into a pudding mold.

  2. Layer the grated apples on top of the custard.

  3. Pour the remaining custard over the apples and refrigerate until set.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Milk + appletop 11% of all pairs
    Smell alikemoderate
    Cooked together4,104 recipes

    Shared aroma: 4-heptenal (creamy, biscuit).

  2. Apple + sugartop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

    Shared aroma: beta-damascenone (apple, rose).

  3. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

  4. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

    Shared aroma: 2-nonenal (fatty, green).

Apple and sugar barely smell alike, yet cooks put them together in 16,478 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

Milk
Forms the liquid base of the custard that thickens into a creamy set.
Cornstarch
Thickens the milk when heated, giving the custard its firm, sliceable body.
Eggs
Add richness and help the custard set further once beaten in and cooled.
Tart apples
Provide tartness and fruity flavour that contrasts with the sweet custard.
Sugar
Sweetens the custard and balances the tartness of the apples.

The step that matters

Let the custard cool slightly before adding the eggs. If the custard is too hot when the beaten eggs go in, the eggs can scramble into lumps instead of blending smoothly and enriching the custard.

Swap the apple

How well each one fits the dish's main ingredients (milk, egg, sugar):

  1. Vanillafits better
  2. Figfits better
  3. Raisinfits better
  4. Applethe original

Fit is the average pairing score against milk, egg, 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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