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Cheap Custard

A basic custard made with milk, sugar, eggs, flour, and flavored with lemon or vanilla.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Milk and flour are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Cheap Custard

Ingredients

Directions

  1. Heat the milk in a double boiler until it comes to a boil.

  2. In a bowl, beat the eggs and sugar together.

  3. Stir the egg mixture into the boiling milk.

  4. Dissolve the flour in a little cold milk to avoid lumps, then stir it into the milk mixture.

  5. Cook for 3 to 4 minutes, then remove from heat and flavor with lemon or vanilla once cool.

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 + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

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

  4. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + lemontop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Milk and flour barely smell alike, yet cooks put them together in 78,219 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
Thicken the custard as they set when heated, giving it body.
Flour
Stabilizes the custard and helps prevent curdling or a runny texture.
Sugar
Adds sweetness and helps balance the richness of the eggs and milk.
Milk
Forms the liquid base that the eggs and flour set into a custard.

The step that matters

Stir the egg mixture into the boiling milk. Eggs can scramble if they meet very hot milk too quickly. Tempering the eggs and keeping the heat controlled lets them thicken smoothly instead of curdling.

Swap the lemon

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

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

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