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Drink

Irish or Iceland Moss

A soothing drink made from Irish moss, water, lemon juice, wine, sugar, and optional milk.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 ↓

Irish or Iceland Moss

Ingredients

Directions

Prepare the moss

  1. Wash the Irish moss thoroughly.

  2. Soak the moss in 1 pint of cold water overnight.

  3. Strain the water from the moss.

Make the drink

  1. Place the moss in a saucepan with 1 pint of cold water and simmer gently for 1 hour.

  2. Strain the mixture and add lemon juice, wine, and sugar to taste.

  3. If desired, add a little milk.

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 + winetop 13% of all pairs
    Smell alikelow
    Cooked together6,157 recipes

    Shared aroma: decanal (soap, orange peel).

  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. Sugar + milktop 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

Irish moss
Seaweed that releases gelling compounds into water, giving the drink its body and smooth texture.
Lemon juice
Adds acidity that brightens the flavour and balances the sweetness.
Sugar
Adds sweetness to balance the tartness of the lemon and wine.

The step that matters

Simmering the moss gently. Gentle heat extracts the moss's gelling compounds without breaking them down or scorching the liquid. A hard boil can make the drink cloudy or give it a bitter, burnt taste.

Swap the lemon

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

  1. Vanillafits better
  2. Lemonthe original
  3. Peachfits about as well
  4. Applefits less well

Fit is the average pairing score against irish moss, wine, sugar, milk. 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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