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Drink

Hop Yeast

A fermented beverage made from hops, potatoes, salt, sugar, and yeast.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Potato and sugar are a kitchen classic. They rank in the top 30% of all ingredient pairs, and cooks put them together in 3,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Hop Yeast

Ingredients

Directions

Prepare the hop water

  1. Boil hops in water for 20 minutes.

  2. Strain the hops.

Make the mash

  1. Pare and slice potatoes into the hop water.

  2. Add salt and sugar.

  3. Boil until potatoes are soft.

  4. Mash the mixture through a colander.

  5. Let it cool.

Ferment and store

  1. Add yeast cakes soaked in water.

  2. Set in a warm place until well fermented.

  3. Bottle.

  4. Store in the cellar.

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. Potato + sugartop 30% of all pairs
    Smell alikelow
    Cooked together3,032 recipes

    Shared aroma: beta-damascenone (apple, rose).

  2. Hops + potatotop 39% of all pairs
    Smell alikelow
    Cooked together3 recipes

    Shared aroma: myrcene (balsamic, herbaceous).

  3. Hops + sugartop 43% of all pairs
    Smell alikelow
    Cooked together6 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Potatoes
Supply starch and body, which boiling and mashing break down into material the yeast can work on.
Sugar
Provides sweetness and readily available food for the yeast during fermentation.
Yeast cakes
Ferment the sugars into alcohol and carbon dioxide, giving the drink its alcoholic character and fizz.
Hops
Add bitterness and aroma that balance the sweetness of the potato mixture.

The step that matters

Set in a warm place until well fermented. The yeast needs time and warmth to convert the sugars into alcohol and carbon dioxide. Bottling before fermentation is complete leaves the drink sweet and flat, and the trapped gas can build pressure in the bottles.

Swap the potato

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

  1. Mustardfits better
  2. Cucumberfits about as well
  3. Capsicumfits about as well
  4. Potatothe original

Fit is the average pairing score against hops, 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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