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Barley Gruel

A warm barley porridge cooked slowly in water, optionally flavored with lemon rind, milk, or lemon juice and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Barley and lemon work together. They rank in the top 13% of all ingredient pairs, and cooks put them together in 484 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Barley Gruel

Ingredients

Directions

Prepare the barley

  1. Wash the pearl barley.

  2. Drop the barley into a pint of boiling water and parboil for five minutes.

  3. Pour off the water and add a quart of fresh boiling water.

Simmer and serve

  1. Let the mixture simmer gently for three hours.

  2. Add a small piece of lemon rind half an hour before the gruel is done for added flavor.

  3. Strain the mixture, season with salt, and serve.

  4. Mix equal quantities of milk and barley gruel just before serving to make a nourishing drink.

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 + lemontop 13% of all pairs
    Smell alikemoderate
    Cooked together484 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

    Shared aroma: ethyl octanoate (fruity).

  3. Lemon + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  4. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 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).

Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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

Pearl barley
Its starch thickens the water into a soft, porridge-like gruel as it simmers.

The step that matters

Parboiling the barley. Briefly boiling the grains first and then discarding that water removes surface impurities and loose starch, giving a cleaner-tasting gruel with a better texture.

Swap the lemon

The recipe marks lemon as optional. How well each one fits the dish's main ingredients (barley, milk, sugar):

  1. Vanillafits better
  2. Figfits better
  3. Raisinfits better
  4. Lemonthe original

Fit is the average pairing score against barley, milk, sugar. Candidates are from the same food group and used in at least 100 recipes.

“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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