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Dessert

Lemon Pie

A lemon pie made with grated peel, pulp, juice, sugar, water, flour, and two pie crusts.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Sugar and flour are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 92,116 recipes. Both carry phenylacetaldehyde, which smells hawthorne, honey. The science ↓

Lemon 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

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

  2. In a bowl, combine the grated peel, pulp, and juice of the lemon.

  3. In a separate bowl, blend the flour with a little cold water until smooth.

  4. Mix the flour mixture with the lemon mixture and add the sugar and remaining cold water.

Assemble and bake

  1. Pour the filling into one pie crust and cover with the second crust.

  2. Bake until the crust is golden 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. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  2. Lemon + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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

Lemon
Provides the sharp acidity and aroma that flavour the filling.
Sugar
Adds sweetness and balances the sourness of the lemon.
Flour
Thickens the filling so it sets rather than running out of the pie.

The step that matters

Blending the flour with cold water until smooth. Flour added directly to liquid clumps, and clumps stay lumpy in the filling. Mixing it first with a little cold water separates the starch granules so they disperse evenly and thicken the filling smoothly.

Swap the lemon

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

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

Fit is the average pairing score against sugar, flour. 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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