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Burnt Flour Gruel

A custard-like gruel made from burnt flour, milk, sugar, egg, and salt.

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 ↓

Burnt Flour Gruel

Ingredients

Directions

Make the gruel

  1. Boil the milk in a double boiler.

  2. Wet the burnt flour with cold milk.

  3. Add the beaten egg, stirring into the boiling milk.

  4. Cook until it begins to thicken.

  5. Strain.

Serve

  1. Serve as a cup custard with a little whipped cream.

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. Egg + flourtop 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

Egg
Thickens the milk as it cooks and sets it into a soft, custard-like texture.
Flour
Burnt to a rich brown, it adds toasted, roasted flavor and colour to the milk.
Milk
Forms the liquid base that the egg thickens into a smooth gruel.
Cube sugar
Adds sweetness to balance the toasted flour flavor.

The step that matters

Adding the egg to the boiling milk. If the egg is poured into milk that is too hot or stirred too little, it can curdle into lumps instead of thickening smoothly. Stirring constantly as it goes in keeps the egg proteins dispersed so the mixture sets evenly.

“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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