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Drink

Lemonade, Irish Moss

A citrus drink made with Irish moss, 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 ↓

Lemonade, Irish Moss

Ingredients

Directions

Prepare the moss

  1. Pick over and soak the Irish moss in cold water to cover.

  2. Remove the moss, add 2 cups of cold water, and cook in a double boiler for 20 minutes.

  3. Strain the mixture.

Finish the lemonade

  1. To 1 cup of the liquid, add lemon juice and 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. 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
Seaweed that releases a thickening agent into water, giving the drink body as it cools.
Lemon juice
Adds acidity and bright, tart flavor that balances the sweetness.
Sugar
Adds sweetness, adjusted to taste to balance the lemon's tartness.

The step that matters

Strain the mixture. Small moss fragments left in the liquid make the lemonade gritty. Thorough straining removes them and leaves a smooth, clear drink.

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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