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Dessert

Lemon Pie

A lemon-flavored pie with a crust of grated bread, baked with a lemon custard filling.

From an old cookbook · modernised transcription
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Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. 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, mix sugar, butter, egg yolks, lemon juice, lemon rind, hot water, and grated bread until well combined.

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

Top and brown

  1. Beat the egg whites until stiff, then sweeten to taste.

  2. Spread the beaten egg whites over the baked pie and return to the oven to brown.

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 + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  2. Egg + breadtop 13% of all pairs
    Smell alikemoderate
    Cooked together22,662 recipes

    Shared aroma: (e)-2-octenal (fatty, green).

  3. Butter + lemontop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  4. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

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, and whipped whites form the stiff meringue topping.
Sugar
Sweetens the filling and the meringue, balancing the lemon's acidity.
Lemon
Juice and rind supply the sharp, aromatic flavour that defines the pie.
Bread
Grated bread soaks up liquid and gives the filling body and a soft, set texture.

The step that matters

Beating the egg whites until stiff. Egg whites need to be beaten until they hold firm peaks, because any trace of yolk or grease will prevent them from whipping properly. Sweetening after beating keeps the foam stable.

Swap the lemon

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

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

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