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Dessert

Lemon Pie

A baked lemon custard pie topped with stiff‑egg‑white meringue.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. 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. Cover a pie dish with pastry and pre-bake it slightly.

Make the filling

  1. In a bowl, mix the lemon rind, lemon juice, egg yolks, sugar, milk, cornstarch, and butter until smooth.

  2. Pour the mixture into the pre-baked pie crust and return it to the oven.

Bake and finish

  1. Bake slowly until set.

  2. Beat the egg whites until stiff and spread them on top of the pie before serving.

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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Lemon + walnuttop 10% of all pairs
    Smell alikestrong
    Cooked together2,149 recipes

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

  3. Lemon + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  4. Butter + walnuttop 15% of all pairs
    Smell alikemoderate
    Cooked together6,832 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  5. Milk + walnuttop 16% of all pairs
    Smell alikemoderate
    Cooked together3,236 recipes

    Shared aroma: 1-hexanal (fruit).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Lemons
Juice adds sharp acidity and the rind adds bright aroma.
Egg yolks
Yolks thicken the filling as they set and add richness.
Cornstarch
Thickens the filling so it sets firm when cooled.
Sugar
Sweetens the filling and balances the sharp lemon.
Butter
Adds richness and a smoother texture to the filling.

The step that matters

Bake slowly until set. Egg yolks set at moderate heat. High heat or overbaking makes them curdle and weep, leaving a grainy or watery filling. Bake gently and stop once the centre just holds its shape.

Swap the walnut

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

  1. Almondfits better
  2. Walnutthe original
  3. Pistachiofits about as well
  4. Pecansfits about as well

Fit is the average pairing score against lemon, egg, sugar, milk, 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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