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Dessert

Apple-custard Pie

A custard pie with apples, milk, eggs, butter, sugar, nutmeg, and a frosted topping.

From an old cookbook · modernised transcription
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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-custard Pie

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.

Prepare the filling

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

  2. In a bowl, combine milk, egg yolks, grated apples, melted butter, sugar, nutmeg, and salt.

  3. Pour the mixture into a pie crust and bake until set.

Make the frosting and finish

  1. Beat the egg whites until soft peaks form, then gradually add sugar and continue beating until stiff peaks form.

  2. Spread the frosting over the pie and brown delicately under the broiler.

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 + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

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

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

  3. Apple + nutmegtop 12% of all pairs
    Smell alikemoderate
    Cooked together3,790 recipes

    Shared aroma: estragole (anise, licorice).

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

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

  5. Milk + nutmegtop 15% of all pairs
    Smell alikemoderate
    Cooked together14,685 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Egg yolks
Enriches the filling and helps it thicken and set into a custard when baked.
Egg whites
Whipped with sugar to form a stable meringue frosting that holds its shape.
Milk
Provides the liquid base that sets with the egg yolks into a custard.
Grated apples
Supply moisture and fruit flavor to the custard filling.
Sugar
Sweetens the custard and, when beaten into the egg whites, stabilizes the meringue.

The step that matters

Baking the custard until set. Egg proteins coagulate as the custard heats; underbaking leaves a runny filling, while overbaking can make it curdle or weep. Watching for a set center prevents both.

Swap the apple

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

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

Fit is the average pairing score against milk, egg, butter, sugar, nutmeg. 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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