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Pap of Boiled Flour

A porridge made by boiling flour, then mixing with cold and boiling milk and sweetening with sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 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 ↓

Pap of Boiled Flour

Ingredients

Directions

Prepare the flour

  1. Tie 1 cup of flour in a cloth and boil it for 6 hours.

Make the pap

  1. Grate some of the boiled flour and mix it with 2 cups of cold milk until it reaches a thin starch consistency.

  2. Stir the mixture into 2 cups of boiling milk.

  3. Sweeten with loaf sugar to taste.

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).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. 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

Flour
Boiling dries the flour into a starchy mass that thickens the milk when mixed in.
Milk
Forms the liquid base, and its proteins and sugars add body and mild sweetness as it heats.
Loaf sugar
Adds sweetness to balance the starchy, mild flavour of the pap.

The step that matters

Stirring the flour into the boiling milk. Flour mixed into cold milk first stays smooth as a thin slurry; adding it to hot milk lets starch granules swell and gelatinise quickly, so stirring steadily prevents 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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