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Dessert

Lemon Pie

A lemon custard pie topped with meringue.

From an old cookbook · modernised transcription
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Why it works: Butter and milk 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 the filling

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

  2. In a bowl, combine the grated lemon, sugar, egg yolks, butter, milk, and corn starch. Beat until well mixed.

  3. Pour the mixture into a prepared rich pie crust and bake until set.

Make the meringue and finish

  1. In another bowl, beat the egg whites with sugar until stiff peaks form.

  2. Spread the meringue over the baked pie and brown it in the oven.

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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Milk + corntop 10% of all pairs
    Smell alikemoderate
    Cooked together6,955 recipes

    Shared aroma: hexanal (green, grassy).

  3. Lemon + corntop 13% of all pairs
    Smell alikemoderate
    Cooked together1,927 recipes

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

  4. Butter + corntop 14% of all pairs
    Smell alikemoderate
    Cooked together7,345 recipes

    Shared aroma: 2,3-pentanedione (butter, sweet).

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

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

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 and add richness to the custard.
Corn starch
Thickens the lemon filling so it holds a clean slice when set.
Egg whites
Whip into a foam that forms the meringue topping.
Lemon
Provides the sharp acidity and aroma that define the filling.
Sugar
Sweetens the filling and helps stabilize the whipped egg whites.

The step that matters

Beating the egg whites with sugar until stiff peaks form. Egg whites need to be whipped to stiff peaks to trap air and hold their shape. Underbeaten whites collapse and weep, while overbeaten whites turn dry and grainy. Sugar added while beating helps stabilize the foam.

Swap the lemon

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

  1. Vanillafits better
  2. Coconutfits better
  3. Figfits better
  4. Lemonthe original

Fit is the average pairing score against sugar, egg, butter, milk, corn. 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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