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Dessert

Lemon Pie

A lemon custard pie topped with a sweet meringue.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Lemon and sugar are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 53,532 recipes. Both carry 2-nonenal, which smells fatty, green. 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.

Make the filling

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

  2. In a bowl, mix the grated lemon rind, lemon juice, egg yolks, whole egg, water, sugar, and cornstarch until smooth.

  3. Pour the mixture into a pie crust.

Make the meringue and bake

  1. In another bowl, beat the egg whites until stiff peaks form, then gradually add the powdered sugar.

  2. Spread the meringue over the pie filling.

  3. Bake for 5-10 minutes until the meringue is lightly browned.

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

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

  2. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  3. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 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

Egg yolks
Thicken the filling and add richness and a custard-like body.
Egg whites
Whip into stiff peaks to form the airy, stable meringue topping.
Cornstarch
Thickens the lemon filling so it holds its shape when sliced.
Sugar
Sweetens the filling and helps stabilize the beaten egg whites.
Lemon juice
Adds acidity that balances the sweetness and brightens the filling.

The step that matters

Beat the egg whites until stiff peaks form. Egg whites under-beaten or greasy will not hold air, so the meringue can weep or stay flat. Adding the sugar gradually helps it dissolve and stabilize the foam.

Swap the lemon

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

  1. Vanillafits better
  2. Raisinfits about as well
  3. Lemonthe original
  4. Datesfits less well

Fit is the average pairing score against egg, 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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