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Dessert

Irish Moss

A sweet pudding made from Irish moss, milk, and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Sugar and milk are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 77,875 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Irish Moss

Ingredients

Directions

Prepare the moss

  1. Soak the moss in cold water for 10-12 hours, changing the water several times to remove any unpleasant taste.

  2. Drain the moss and pick out any impurities or discolored pieces.

Make the pudding

  1. Put the moss into a small saucepan with the milk and bring to a boil.

  2. Simmer for 15 minutes, stirring constantly, until the moss is completely dissolved in the milk.

  3. For flavor, boil a piece of lemon rind with the moss and remove it before serving.

  4. Sweeten to taste.

Serve

  1. Serve hot or pour into a wetted mold and refrigerate until cold.

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. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  2. Irish moss + milktop 19% of all pairs
    Smell alikemoderate
    Cooked together98 recipes

    Shared aroma: 2-methylbutyraldehyde (malty, chocolate).

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

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

Sugar and milk barely smell alike, yet cooks put them together in 77,875 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
Dissolves in the hot milk and its gel-forming starch thickens the pudding as it cools and sets.
New milk
Forms the liquid base that the moss dissolves into, giving the pudding its body and creamy flavor.

The step that matters

Simmer until the moss is completely dissolved. Irish moss must be fully dissolved in the milk while stirring constantly; undissolved pieces stay gritty, and it can scorch on the bottom of the pan if left unattended.

“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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