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Dessert

Cabragebn or Irish Moss

A simple jelly made by boiling Irish moss with water, then adding lemon juice and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Irish moss and lemon work together. They rank in the top 10% of all ingredient pairs, and cooks put them together in 61 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Cabragebn or Irish Moss

Ingredients

Directions

  1. Boil the Irish moss in water until it forms a jelly.

  2. Add lemon juice and sugar to taste.

  3. Strain the mixture.

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. Irish moss + lemontop 10% of all pairs
    Smell alikemoderate
    Cooked together61 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  3. Irish moss + sugartop 24% of all pairs
    Smell alikemoderate
    Cooked together107 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

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

Irish moss
Releases gelling compounds into hot water, which set the liquid into a jelly as it cools.
Lemon juice
Adds acidity that brightens the flavor and balances the sweetness.
Sugar
Adds sweetness to balance the tartness of the lemon juice.

The step that matters

Boil the Irish moss until it forms a jelly. Gelling compounds in the moss are released by heat and only set properly once the mixture has been boiled long enough. Under-boiling leaves the jelly weak and runny, so the moss needs enough time in the water to dissolve its gelling compounds.

Swap the lemon

How well each one fits the dish's main ingredients (irish moss, sugar):

  1. Vanillafits better
  2. Lemonthe original
  3. Peachfits less well
  4. Raisinfits less well

Fit is the average pairing score against irish moss, 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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