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Dessert

Apple Pie

A pie made with a butter and lard crust filled with sliced tart apples and sugar.

From an old cookbook · modernised transcription
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Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Apple Pie

Ingredients

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the dough

  1. Preheat the oven to 400°F (200°C).

  2. In a bowl, mix the butter, lard, and flour together.

  3. Add water gradually to form a dough.

  4. Roll out the dough as usual.

Fill and bake

  1. Peel, core, and thinly slice the tart apples.

  2. Add a generous amount of sugar to the apples.

  3. Fill the pie crust with the apple mixture and bake until deep brown.

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. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Butter + appletop 14% of all pairs
    Smell alikemoderate
    Cooked together8,706 recipes

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

  3. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Butter + sugartop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

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

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Butter
Adds fat that keeps the crust tender and flaky by coating flour particles.
Lard
Adds fat that creates a short, flaky texture in the crust.
All-purpose flour
Provides the structure that holds the dough together and sets during baking.
Tart apples
Supply the main filling, with tartness that balances the sweetness of the sugar.
Sugar
Adds sweetness and helps the apples brown as the pie bakes.

The step that matters

Bake until deep brown. Baking long enough lets the crust brown and the filling cook through; underbaked crust stays pale and soggy. The sugar in the filling also browns and thickens as it heats.

Swap the apple

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

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

Fit is the average pairing score against butter, flour, 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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