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Gruel of Boiled Flour

A simple gruel made by boiling flour in a cloth bag and mixing with milk or water.

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 ↓

Gruel of Boiled Flour

Ingredients

Directions

Prepare the bag

  1. Fill the cloth bag with white flour, press the flour down hard, and tie the bag securely.

Boil and dry

  1. Boil the bag in water for four hours.

  2. Remove the bag and take out the wet skin.

  3. Keep the hard white ball in a dry place.

Make the gruel

  1. Grate a little of the ball and stir it into a small amount of milk or water.

  2. Cook the mixture in boiling water or milk for about four minutes, stirring constantly.

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

White flour
Forms the hard starch ball that is later grated and cooked into the gruel.
Milk or water
Liquid that the grated starch is stirred into and cooked until it thickens.

The step that matters

Stirring constantly while cooking the grated ball. Starch granules swell and thicken as they heat in liquid. Constant stirring spreads the heat evenly, which helps prevent lumps and scorching on the bottom of the pan.

“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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