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Dessert

Lemon Pie

A lemon pie made with soda crackers, coffee sugar, eggs, boiling water, lemon rind and juice, baked at 400°F.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Coffee and sugar are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 4,344 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Lemon Pie

Oven, in the book's wordsA quick oven

Ingredients

Directions

The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the filling

  1. Roll the soda crackers finely and pour the boiling water over them.

  2. Cover with a plate and let it cool.

  3. Once cool, add the beaten eggs, sugar, grated rind of 1 lemon, and juice of 2 lemons.

Assemble and bake

  1. Line a pie plate with pastry, add the mixture, wet the edges, and cover.

  2. Brush the top with milk and bake at 400°F (200°C) for 20 minutes.

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. Coffee + sugartop 17% of all pairs
    Smell alikelow
    Cooked together4,344 recipes

    Shared aroma: beta-damascenone (apple, rose).

  2. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  3. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  4. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

  5. Lemon + coffeetop 26% of all pairs
    Smell alikemoderate
    Cooked together578 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

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

Eggs
Set the filling and give it body as they cook in the oven.
Soda crackers
Soak up the boiling water and thicken the filling into a soft base.
Lemons
Provide the acidity and fragrance that define the pie's flavour.
Coffee sugar
Sweetens the filling and balances the sharpness of the lemon juice.

The step that matters

Let the cracker mixture cool before adding the eggs. If the cracker mixture is still hot when the beaten eggs go in, the eggs can scramble instead of blending smoothly into the filling, leaving a grainy texture.

Swap the lemon

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

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

Fit is the average pairing score against coffee, 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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