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Dessert

Apple Filling

A sweet apple filling made by cooking sliced apples with sugar, mashing them, and adding butter.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Apple and butter are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 8,706 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Apple Filling

Ingredients

Directions

Prepare

  1. Peel and slice the apples.

Make the filling

  1. Cook the apples with sugar over heat until tender.

  2. Remove from heat and mash the apples thoroughly.

  3. Mix in a small piece of butter.

  4. Let the mixture cool before spreading it between cake layers.

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

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

  2. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

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

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

Tart, ripe apples
Provide the main body and flavour of the filling as they soften when cooked.
Sugar
Sweetens the filling and helps the apples break down into a smooth texture.
Butter
Adds richness and a smoother, silkier mouthfeel to the mashed apples.

The step that matters

Let the mixture cool before spreading it between cake layers.. Warm filling softens the cake layers and can make them soggy or cause them to slide, so it should cool fully first.

Swap the apple

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

  1. Vanillafits better
  2. Figfits about as well
  3. Peachfits about as well
  4. Applethe original

Fit is the average pairing score against sugar, butter. 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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