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Bread

Hop Yeast

A bread made from mashed potatoes, hops, sugar, salt, ginger, and yeast.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Potato and ginger work together. They rank in the top 12% of all ingredient pairs, and cooks put them together in 992 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Hop Yeast

Ingredients

Directions

  1. Boil hops in 2 quarts of water with 3 potatoes.

  2. Once the potatoes are cooked, mash them finely.

  3. Add the hop water, ½ cup sugar, 2 tablespoons salt, and 1 tablespoon ginger to the mashed potatoes.

  4. When the mixture is cool, add 1 teacup of good yeast.

  5. Transfer to a jar and keep in a cool place.

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 + gingertop 12% of all pairs
    Smell alikemoderate
    Cooked together992 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Sugar + gingertop 17% of all pairs
    Smell alikelow
    Cooked together14,054 recipes

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

  3. Hops + gingertop 24% of all pairs
    Smell alikelow
    Cooked together3 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

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

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

    Shared aroma: myrcene (balsamic, herbaceous).

Sugar and ginger barely smell alike, yet cooks put them together in 14,054 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

Potatoes
Mashed potatoes form the body of the starter and add starch that feeds the yeast.
Yeast
Yeast ferments the sugars in the mixture, producing gas that leavens the bread.
Sugar
Sugar provides food for the yeast and adds sweetness to the finished bread.
Hops
Hops add bitter and aromatic flavour to the liquid used in the starter.

The step that matters

Add the yeast only when the mixture is cool. Yeast is killed by high heat, so adding it to a hot mixture can stop fermentation before it starts. Letting the mixture cool first keeps the yeast alive to work.

Swap the potato

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

  1. Mustardfits better
  2. Capsicumfits better
  3. Sweet potatofits better
  4. Potatothe original

Fit is the average pairing score against hops, sugar, ginger. 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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