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Dessert

Lemon Pie

A lemon custard pie topped with meringue.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. 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. Combine lemon juice, lemon rind, sugar, water, cornstarch, and egg yolks in a double boiler and cook until thickened.

  2. Pour the thickened mixture into a previously baked pie crust.

Make the meringue and bake

  1. Beat egg whites until soft peaks form, then gradually add sugar and vanilla extract, beating until stiff peaks form.

  2. Spread the meringue over the pie filling and bake at 350°F (175°C) for a few minutes until 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. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  2. Lemon + vanillatop 15% of all pairs
    Smell alikemoderate
    Cooked together5,961 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

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

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

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

  5. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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 as they set with heat, giving it a rich, custard-like body.
Cornstarch
Thickens the lemon mixture by swelling with heat, giving the filling a smooth, sliceable set.
Egg whites
Whip into a foam that gives the meringue its light, airy structure.
Sugar
Sweetens the filling and, when beaten into the whites, stabilizes the meringue.
Lemon juice
Adds the sharp acidity that balances the sweetness of the filling.

The step that matters

Beating the meringue to stiff peaks. Whites must be whipped until firm but not dry, and sugar added gradually, so the foam holds its shape and does not weep or collapse in the oven. Any trace of fat or yolk in the whites will prevent proper whipping.

Swap the lemon

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

  1. Figfits better
  2. Blueberryfits better
  3. Peachfits better
  4. Lemonthe original

Fit is the average pairing score against sugar, egg, vanilla. 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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