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Custard Sauce

A sweet sauce made from milk, eggs, sugar, and optional flavoring, simmered until thickened.

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

Why it works: Milk and brandy are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 3,738 recipes. Both carry gamma-nonanolactone, which smells coconut, sweet. The science ↓

Custard Sauce

Ingredients

Directions

Make the custard

  1. Heat the milk in a saucepan until boiling.

  2. Gradually add the beaten eggs and sugar to the boiling milk, stirring continuously.

  3. Add the flavoring to the mixture.

  4. Place the mixture in a pan of boiling water.

  5. Stir until the mixture begins to thicken.

Finish and serve

  1. Remove the pan from heat.

  2. Gradually stir in the brandy or wine.

  3. Keep warm in a pan of boiling water until ready to serve.

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 + brandytop 15% of all pairs
    Smell alikemoderate
    Cooked together3,738 recipes

    Shared aroma: gamma-nonanolactone (coconut, sweet).

  2. Egg + brandytop 17% of all pairs
    Smell alikemoderate
    Cooked together7,340 recipes

    Shared aroma: acetoin (butter, cream).

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

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

  4. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  5. Sugar + brandytop 19% of all pairs
    Smell alikelow
    Cooked together11,939 recipes

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

Sugar and milk barely smell alike, yet cooks put them together in 77,875 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 milk as they cook, giving the sauce its body and custard-like texture.
Milk
Forms the liquid base that the eggs set into a smooth, pourable sauce.
Sugar
Sweetens the sauce and helps balance the richness of the eggs and milk.

The step that matters

Stir until the mixture begins to thicken. Egg proteins set gently as the mixture warms. If it overheats or boils hard, the eggs can scramble and curdle, so stirring and gentle heat keep the sauce 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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