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Apple Cake, or German Tart

A baked apple tart with a buttery crust and cinnamon‑spiced apple filling.

From an old cookbook · modernised transcription
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Why it works: Apple and cinnamon are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 5,598 recipes. Both carry methyl cinnamate, which smells strawberry. The science ↓

Apple Cake, or German Tart

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.

Make the pastry

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

  2. In a bowl, work together the butter and flour until they resemble fine crumbs.

  3. Add a pinch of salt, egg yolks, and enough water to form a firm, smooth paste.

  4. Butter a pie mold.

  5. Roll out the paste thinly.

  6. Trim the paste to fit the mold, covering the bottom and sides.

  7. Moisten the edges with water or egg.

Make the filling

  1. In a pot, combine apples, sugar, lemon juice, fresh butter, and cinnamon.

  2. Cook over low heat.

  3. Increase heat until smooth and dry.

  4. Cool the marmalade completely before filling the mold.

Assemble and finish

  1. Roll out a cover for the tart.

  2. Place the cover over the filled mold without touching the filling.

  3. Seal the edges.

  4. Trim excess paste.

  5. Sprinkle with pounded sugar.

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 + cinnamontop 4% of all pairs
    Smell alikemoderate
    Cooked together5,598 recipes

    Shared aroma: methyl cinnamate (strawberry).

  2. Lemon + cinnamontop 7% of all pairs
    Smell alikestrong
    Cooked together7,950 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  3. Flour + cinnamontop 9% of all pairs
    Smell alikemoderate
    Cooked together17,341 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Sugar + cinnamontop 10% of all pairs
    Smell alikelow
    Cooked together30,779 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

    Shared aroma: isobutyraldehyde (malty, green).

Sugar and cinnamon barely smell alike, yet cooks put them together in 30,779 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 richness and tenderness to the pastry and a smooth, buttery flavor to the filling.
Flour
Forms the structure of the pastry paste once mixed with water and egg yolks.
Egg yolks
Add richness and help bind the pastry into a firm, workable paste.
Apples
Provide the bulk of the filling, which cooks down into a thick, spreadable marmalade.
Sugar
Sweetens the filling and helps it thicken as it cooks down.
Lemon juice
Adds acidity that brightens the sweetness of the apples.

The step that matters

Cool the marmalade completely before filling the mold. Cooking the apples, sugar and butter down until smooth and dry thickens them. Filling the pastry while the marmalade is still hot can soften the crust and make the filling run, so it should cool first.

Swap the apple

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

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

Fit is the average pairing score against butter, flour, egg, sugar, lemon, cinnamon. 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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