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Bread

Compressed Yeast Bread

A potato and flour bread made with compressed yeast and boiled water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Compressed Yeast Bread

Ingredients

Directions

Make the sponge

  1. Cook the potatoes for 30 minutes, then drain and mash them.

  2. Pour the boiling water over the mashed potatoes and let it cool to lukewarm.

  3. Add the dissolved yeast and 3 quarts of flour, mixing with a spoon.

  4. Cover the bowl with a cloth and a board, and let it rise overnight.

Knead and rise

  1. In the morning, add the salt and half of the remaining flour.

  2. Knead the dough on a floured board for 20 minutes, then return it to the bowl and let it rise until doubled in size.

Shape and bake

  1. Shape the dough into loaves and let them rise until doubled again.

  2. Bake the loaves for 1 hour.

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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Potato + buttertop 13% of all pairs
    Smell alikemoderate
    Cooked together6,456 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

    Shared aroma: isobutyraldehyde (malty, green).

  5. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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
Their starch and moisture add softness and help the bread stay fresh longer.
All-purpose flour
Gluten forms as the dough is kneaded, giving the bread its structure and chew.
Yeast
Yeast ferments the sugars in the dough, producing gas that makes the loaves rise.

The step that matters

Letting the dough rise until doubled. Yeast needs time and warmth to produce enough gas for the dough to expand. Rising too briefly leaves dense loaves, while the gluten that builds during kneading traps that gas and gives the bread its open texture.

Swap the potato

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

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

Fit is the average pairing score against flour, sugar, butter. 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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