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Dessert

Lemon Custard

A lemon custard baked in a pie crust.

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

Why it works: Milk and rice are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 7,374 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

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.

Prepare

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

  2. Beat the eggs in a large bowl.

Make the custard

  1. Add the sugar, grated lemon zest, lemon juice, milk, and cornstarch. Mix well.

  2. Pour the mixture into the pie crust.

  3. If desired, beat the egg whites separately and fold them in before baking.

Bake

  1. Bake until set and lightly golden.

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.

Photo for illustrative purposes only · Contact us to use it

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 + ricetop 7% of all pairs
    Smell alikemoderate
    Cooked together7,374 recipes

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

  2. Lemon + ricetop 12% of all pairs
    Smell alikemoderate
    Cooked together4,366 recipes

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

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

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

  4. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  5. Egg + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

Sugar and lemon 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 custard as they cook, giving it structure and body.
Sugar
Adds sweetness and balances the sharpness of the lemon.
Lemons
Provide acidity and aroma from the zest and juice.
Milk
Supplies liquid and richness, giving the custard a soft texture.
Cornstarch
Thickens the custard so it holds its shape when set.

The step that matters

Bake until set and lightly golden. Egg proteins set as they heat, so underbaking leaves the custard runny while overbaking can make it curdle or weep. Check for a set center rather than relying on time alone.

Swap the lemon

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

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

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