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Dessert

Apple Custard for Pies

A custard filling made with eggs, apples, sugar, butter, and lemon, baked in a pie crust.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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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 Custard for Pies

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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare

  1. Preheat the oven to 350°F (175°C).

Make the custard

  1. In a bowl, cream the butter and sugar together until light and fluffy.

  2. Add the egg yolks and lemon juice, mixing well.

  3. Fold in the chopped apples.

  4. In a separate bowl, beat the egg whites until stiff peaks form.

  5. Gently fold the egg whites into the apple mixture.

Bake and serve

  1. Pour the mixture into a pie crust and bake for 30-40 minutes or 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. Apple + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together7,551 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  2. Apple + buttertop 14% of all pairs
    Smell alikemoderate
    Cooked together8,706 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  3. Butter + lemontop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  4. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked 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

Eggs
Yolks enrich and set the custard, while whipped whites lighten its texture.
Butter
Creamed with sugar, it adds richness and a tender crumb.
Sugar
Creaming with butter adds sweetness and helps trap air for a light texture.
Apples
Provide moisture, body and fruity flavour to the custard.
Lemon juice
Adds acidity that brightens the flavour and balances the sweetness.

The step that matters

Folding in the egg whites. Whipped whites trap air that gives the custard its lift. Stirring them in vigorously knocks that air out, so fold gently with a spatula until just combined.

Swap the apple

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

  1. Vanillafits better
  2. Orangefits better
  3. Raspberryfits better
  4. Applethe original

Fit is the average pairing score against egg, sugar, butter, 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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