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Scotch Barley Broth

A hearty broth made with barley, fowl or beef, carrots, turnips, and onions.

From an old cookbook · modernised transcription
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Why it works: Carrot and turnip match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 8,002 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Scotch Barley Broth

Ingredients

Directions

  1. Bring 2 gallons of cold water to a boil in a large pot.

  2. Add 6 ounces of barley and skim the surface when it boils.

  3. Insert the whole fowl or 3 pounds of beef into the pot.

  4. Add 3 pounds of carrots, 3 pounds of turnips, and 3 finely chopped onions.

  5. Add greens as needed toward the end of cooking, if using.

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. Carrot + turniptop 1% of all pairs
    Smell alikestrong
    Cooked together8,002 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Barley + turniptop 2% of all pairs
    Smell alikestrong
    Cooked together629 recipes

    Shared aroma: coumarin (sweet, hay).

  3. Turnip + oniontop 5% of all pairs
    Smell alikestrong
    Cooked together7,585 recipes

    Shared aroma: coumarin (sweet, hay).

  4. Barley + carrottop 6% of all pairs
    Smell alikestrong
    Cooked together784 recipes

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

  5. Carrot + oniontop 6% of all pairs
    Smell alikemoderate
    Cooked together21,601 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Barley
Releases starch as it simmers, thickening the broth and giving it body.
Whole fowl or beef
Releases savory flavor and gelatin into the water, enriching the broth.
Carrots
Add natural sweetness and color as they soften in the simmering liquid.
Turnips
Add earthy, mildly sweet flavor and soft texture to the broth.
Onions
Add aromatic, savory depth as they cook down into the broth.

The step that matters

Skimming the surface when the water boils. Foam and impurities rise to the surface as the liquid heats. Removing them keeps the broth clearer and prevents bitter or off flavors from mixing back in during the long simmer.

Swap the onion

How well each one fits the dish's main ingredients (barley, beef, carrot, turnip):

  1. Leekfits better
  2. Parsnipfits better
  3. Beetrootfits better
  4. Onionthe original

Fit is the average pairing score against barley, beef, carrot, turnip. 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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