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Gruel, Flour

A simple barley flour gruel made by blending flour with milk, cooking slowly, and seasoning with salt and optional sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Barley and flour work together. They rank in the top 13% of all ingredient pairs, and cooks put them together in 582 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Gruel, Flour

Ingredients

Directions

  1. Blend barley flour with a little cold milk.

  2. Stir the mixture into 1 quart of scalding milk.

  3. Cook in a double boiler for 2 hours.

  4. Add salt to taste and sugar if desired.

  5. Strain 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. Barley + flourtop 13% of all pairs
    Smell alikemoderate
    Cooked together582 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Barley + milktop 14% of all pairs
    Smell alikemoderate
    Cooked together598 recipes

    Shared aroma: ethyl octanoate (fruity).

  3. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

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

Flour and milk 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

Barley flour
Thickens the milk into a smooth, porridge-like gruel as its starch gelatinizes during cooking.
Milk
Forms the liquid base and, with slow cooking, gives the gruel its body and creamy texture.

The step that matters

Blend the barley flour with cold milk before adding it to the hot milk. Starch clumps when it hits hot liquid directly. Mixing the flour into a little cold milk first disperses the particles so they thicken evenly rather than forming lumps.

“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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