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Dessert

Angel Lemon Pie

A lemon custard pie with a pre‑baked crust, finished by baking until puffed and brown.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 ↓

Angel Lemon Pie

Ingredients

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Make the filling

  1. Zest and juice the lemon.

  2. In a double boiler, mix lemon zest, lemon juice, ½ cup sugar, salt, and egg yolks.

  3. Cook while stirring constantly until thick, then cool.

  4. Beat egg whites until stiff and dry, then fold into the lemon mixture.

Bake and serve

  1. Pour the mixture into the pre‑baked pie crust.

  2. Bake in a 400°F (200°C) oven until puffed and brown.

  3. Serve cold.

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. Sugar + eggtop 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 lemon mixture when gently cooked and add richness to the filling.
Egg whites
Whipped to stiff foam, they make the filling light and airy.
Lemon
Provides acidity and bright aroma that balance the sweetness.
Sugar
Sweetens the filling and helps stabilize the whipped egg whites.

The step that matters

Cooking the yolk mixture until thick. Egg yolks thicken through gentle heat, but overheating makes them scramble and curdle. Stirring constantly in a double boiler spreads heat evenly and keeps the custard smooth.

Swap the lemon

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

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

Fit is the average pairing score against sugar, egg. 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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