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Dessert

Cheap Lemon Custard

A custard made with eggs, cornstarch, sugar, milk, butter, and lemon juice, baked in a pie crust.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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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 ↓

Cheap Lemon Custard

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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare the filling

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

  2. In a bowl, mix the cornstarch and sugar.

  3. Add the milk and butter, and stir until smooth.

  4. Juice the lemons and add the juice to the mixture.

Make the meringue and bake

  1. Separate the egg whites and beat them until stiff to make meringue.

  2. Fold the meringue into the lemon mixture.

  3. Pour the mixture into a pie crust and bake for about 25-30 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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

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

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

  4. Egg + buttertop 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
Egg whites whipped into meringue add lightness and help the filling set when baked.
Cornstarch
Thickens the filling so it sets into a sliceable custard rather than staying runny.
Sugar
Sweetens the filling and helps stabilise the whipped egg whites.
Lemons
Juice adds the sharp acidity that defines the flavour of the custard.
Butter
Adds fat for richness and a smoother, silkier texture.

The step that matters

Fold the meringue into the lemon mixture. Folding gently keeps the whipped egg whites airy; stirring or overmixing deflates them, so the custard bakes up less light and may weep or turn dense.

Swap the lemon

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

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

Fit is the average pairing score against egg, sugar, 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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