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Potato Yeast

A yeast-leavened potato dough made with boiled water, flour, sugar, salt, and optional ginger.

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 the potatoes

  1. Soak the potatoes in cold water, then pare them.

  2. Mix flour, sugar, and salt in a bowl.

  3. Grate the potatoes and add them to the flour mixture.

Make the starch mixture

  1. Pour boiling water over the mixture until it reaches the consistency of thin starch.

  2. If it doesn't thicken, cook it a bit longer.

  3. Strain and cool the mixture until lukewarm.

Ferment and store

  1. Add the yeast and place in a warm area until bubbles form on top.

  2. Beat well, cover tightly, and store in a cool place.

  3. Add ginger to improve flavor and preservation.

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

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

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
Provide starch and bulk that give the dough its body and moisture.
Flour
Thickens the mixture with starch, adding structure to the dough.
Sugar
Feeds the yeast and adds sweetness.
Yeast
Ferments the mixture, producing gas that makes it rise and bubble.

The step that matters

Cooling to lukewarm before adding yeast. Yeast is killed by high heat, so the mixture must cool to lukewarm before it is added. Adding yeast to a hot mixture can stop fermentation before bubbles form.

Swap the ginger

The recipe marks ginger as optional. How well each one fits the dish's main ingredients (potato, flour, sugar):

  1. Jalapenofits better
  2. Cinnamonfits better
  3. Nutmegfits better
  4. Gingerthe original

Fit is the average pairing score against potato, flour, 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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