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Dessert

Lemon Pie

A lemon pie with a crust, lemon custard filling, and whipped egg white frosting.

From an old cookbook · modernised transcription
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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 the filling

  1. Grate the lemon zest and set aside.

  2. In a bowl, mix the sugar, egg yolks, and corn starch wet with cold water.

  3. Pour in the hot water and milk, then add the grated lemon zest and butter.

Top and bake

  1. Whip the egg whites until stiff peaks form for the frosting.

  2. Pour the mixture into a pie crust and top with the whipped egg whites.

  3. Bake at 350°F (175°C) until set.

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. Corn + milktop 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. Corn + buttertop 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

Eggs
Yolks thicken the filling as they set, and whites form the light topping.
Corn starch
Swells with heat to thicken the filling.
Sugar
Sweetens the filling and balances the tart lemon.
Butter
Adds richness and fat for a smoother texture.
Milk
Adds moisture and body to the filling.

The step that matters

Whip the egg whites until stiff peaks form. Beaten whites trap air that lets the topping hold its shape in the oven. Underwhipped whites slump and weep, while overbeaten whites turn grainy and dry.

Swap the lemon

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

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

Fit is the average pairing score against sugar, egg, corn, 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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