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Bread

Potato Yeast

A yeast‑leavened bread made from mashed potatoes, flour, ginger, salt, sugar, and boiling water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Potato Yeast

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 ↓

Potato Yeast

Ingredients

Directions

Prepare

  1. Boil and mash the potatoes until fine.

  2. In a bowl, combine the flour, ginger, salt, and sugar.

  3. Add the boiling water and beat until smooth.

Make the dough

  1. When the mixture is lukewarm, add the yeast or yeast cakes.

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.

Photo for illustrative purposes only · Contact us to use it

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. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Potato + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together5,355 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + gingertop 15% of all pairs
    Smell alikemoderate
    Cooked together8,564 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Ginger + sugartop 17% of all pairs
    Smell alikelow
    Cooked together14,054 recipes

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

Ginger and sugar 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
Add moisture and body, giving the bread a soft, tender crumb.
Flour
Provides the main structure once it is mixed with water and set by the dough.
Yeast
Produces gas that makes the dough rise and become light.
Sugar
Feeds the yeast and adds a little sweetness and browning.

The step that matters

Add the yeast only when the mixture is lukewarm. Yeast is killed by very hot liquid, so adding it to the mixture while it is still hot can stop the dough from rising. Waiting for lukewarm keeps the yeast alive and active.

Swap the potato

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

  1. Arrowrootfits better
  2. Sweet potatofits better
  3. Parsnipfits better
  4. Potatothe original

Fit is the average pairing score against flour, ginger, 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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