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Dessert

Custard for Cake

A sweet custard made with milk, sugar, corn starch, eggs, and vanilla, used as a filling for cakes.

From an old cookbook · modernised transcription
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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 ↓

Custard for Cake

Ingredients

Directions

Make the custard

  1. In a double boiler, combine sweet milk, sugar, corn-starch, and eggs.

  2. Cook over simmering water, stirring constantly until thickened.

  3. Remove from heat and add vanilla extract.

Finish

  1. Let the custard cool before spreading it on cake layers.

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 + 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. Corn + vanillatop 9% of all pairs
    Smell alikemoderate
    Cooked together1,943 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  4. Milk + corntop 10% of all pairs
    Smell alikemoderate
    Cooked together6,955 recipes

    Shared aroma: hexanal (green, grassy).

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

Eggs
Thicken the custard as they set when heated, giving it body.
Corn-starch
Thickens the milk mixture into a smooth, spreadable custard as it heats.
Sweet milk
Forms the liquid base that the eggs and starch thicken.
Sugar
Adds sweetness and helps soften the set of the custard.

The step that matters

Cook over simmering water, stirring constantly until thickened.. Starch thickens only when heated enough, but eggs can scramble if overheated. Constant stirring over gentle, indirect heat keeps the custard smooth and evenly thickened.

“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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