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Dessert

Soft Custard

A custard made with milk, egg yolks, sugar, and vanilla, cooked until thick and served cold.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Soft Custard

Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Soft Custard

Ingredients

Directions

Prepare

  1. Heat 1½ cups milk in a double boiler.

  2. Beat 3 egg yolks in a bowl.

  3. Add ½ cup cold milk and ¼ cup sugar to the egg yolks and mix well.

Make the custard

  1. Pour the egg mixture into the hot milk and cook until the custard coats the back of a spoon.

  2. Strain the custard to remove any lumps.

  3. Flavor with vanilla extract and serve cold.

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 + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  3. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

  4. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  5. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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

Milk
Forms the liquid base of the custard and supplies its creamy body.
Egg yolks
Thicken the custard as they heat and set, giving it a smooth, rich texture.
Sugar
Adds sweetness and helps keep the custard smooth and tender.

The step that matters

Cooking the custard until it coats the back of a spoon. Egg yolk proteins thicken the mixture as they heat, but if the heat is too high they can scramble and curdle. Cooking gently and stopping at the coating stage keeps the custard smooth.

“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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