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Boiled Flour Gruel

A simple gruel made by boiling flour in water, then drying and grinding.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Flour and milk 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 ↓

Boiled Flour Gruel

Oven, in the book's wordsA cool oven

Ingredients

Directions

The book says “a cool oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.

Make the flour

  1. Tie the flour in a thick cloth and boil it in water for 5 to 6 hours.

  2. Remove from the cloth and scrape off the soft outer coating.

  3. Bake in a cool oven at 300°F (150°C) for 1 to 2 hours to thoroughly dry; brown if desired.

Finish and store

  1. Grate or break into pieces, then roll fine and sift.

  2. Store in a glass jar for later use as gruel or infant food.

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

    Shared aroma: isobutyraldehyde (malty, 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

Flour
Forms the starchy base that is boiled, dried and then ground into a fine powder for gruel.

The step that matters

Baking to thoroughly dry the boiled flour. If the boiled flour is not fully dried, residual moisture can let it spoil in storage. Drying in a low oven removes water so the material keeps well in a sealed jar.

“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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