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To Fine Beer

A method to clarify beer using isinglass, lime, and water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Beer and lime work together. They rank in the top 16% of all ingredient pairs, and cooks put them together in 134 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

To Fine Beer

Ingredients

Directions

Prepare the isinglass

  1. Cut the Isinglass into small pieces.

  2. Boil it in 3 quarts of beer until completely dissolved.

  3. Let the mixture cool completely.

Fine the beer

  1. Pour it into a cask and stir well with a stick.

  2. Tap the beer soon after fining.

Prepare the lime water

  1. In a separate container, mix 1 pail of water with ½ ounce of unslaked lime.

  2. Let it stand for 3 hours.

  3. Pour off the clear liquid.

  4. Mix it with ½ ounce of Isinglass boiled in a little water.

  5. Pour this mixture into the barrel.

  6. Wait 5 to 6 hours for the beer to become fine.

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. Beer + limetop 16% of all pairs
    Smell alikemoderate
    Cooked together134 recipes

    Shared aroma: decanal (soap, orange peel).

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

What each ingredient does

Isinglass
Forms a fine protein network that gathers suspended particles so they settle out, clarifying the beer.
Unslaked lime
Raises the pH of the water mixture so it can be used to clear the beer.

The step that matters

Let the mixture cool completely before pouring it into the cask. Isinglass dissolved in hot liquid can disrupt the beer and cause uneven fining. Cooling it fully lets the dissolved collagen form a stable solution that distributes evenly and binds haze particles as it settles.

“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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