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Dessert

Lemon Sponge Pie

A lemon sponge pie made with sugar, butter, flour, lemon juice and rind, egg yolks, milk, and folded egg whites, baked in a pie shell.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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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 Sponge Pie

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Make the filling

  1. Cream together the sugar, butter, and flour.

  2. Add the lemon juice and rind, egg yolks, and sweet milk.

  3. Fold in the stiffly beaten egg whites.

Bake

  1. Pour the mixture into a raw pie shell.

  2. Bake in a moderate oven 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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

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

Butter and flour barely smell alike, yet cooks put them together in 124,287 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 whites
Beaten whites trap air, giving the filling a light, airy lift as it sets.
Egg yolks
Yolks add richness and help the filling set into a custard-like texture.
Flour
Starch thickens the creamed mixture so it holds its body while baking.
Sweet milk
Liquid that moistens the batter and helps form a smooth, pourable filling.
Sugar
Sweetens the filling and softens the texture as it is creamed with butter.
Lemon
Juice and rind add acidity and bright lemon aroma to the filling.

The step that matters

Fold in the stiffly beaten egg whites.. Stiffly beaten whites hold air that gives the pie its light, sponge-like rise. Folding gently, rather than stirring, keeps that air from collapsing before the pie goes into the oven.

Swap the lemon

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

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

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