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Dessert

Thickened Milk

A thickened milk custard made by scalding milk, whisking flour with cold milk, cooking, seasoning, and folding in beaten egg white.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 ↓

Thickened Milk

Ingredients

Directions

  1. Scald the milk in a double boiler.

  2. In a bowl, mix the flour with the cold milk until smooth.

  3. Pour the scalded milk onto the flour mixture, stirring well.

  4. Return the mixture to the double boiler and cook thoroughly.

  5. Season with salt and sugar if desired.

  6. Beat the egg white until stiff, then mix it into the gruel thoroughly before serving.

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. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

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

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

    Shared aroma: 2-nonenal (fatty, 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

Milk
Forms the liquid base that the flour thickens into a smooth, pourable custard.
All-purpose flour
Starch thickens the hot milk as it heats, giving the mixture body.
Egg white
Beaten until stiff, it adds lightness and a airy, softer texture to the thickened milk.

The step that matters

Mixing the flour with cold milk until smooth. Starch clumps when it meets hot liquid directly. Blending flour into cold milk first disperses the granules so the thickening is even and lump-free.

“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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