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Yeast and Rolls

A yeast roll dough made with mashed potatoes, flour, sugar, eggs, and butter, then risen and baked.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 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 ↓

Yeast and Rolls

Ingredients

Directions

Make the yeast starter

  1. Combine yeast, lukewarm water, mashed potatoes, and sugar in a tight glass jar.

  2. Set the mixture in a warm place to rise for 24 hours.

Make and shape the dough

  1. In a large bowl, mix flour, beaten eggs, granulated sugar, butter or lard, salt, and enough liquid yeast to wet the mixture well.

  2. Knead the dough thoroughly.

  3. Roll the dough out and cut with a biscuit cutter.

  4. Grease pans and place the rolls inside.

  5. Cover with a cloth and let them rise in a warm place for 4 to 5 hours.

  6. Shape the rolls.

  7. Let them rise overnight.

Bake

  1. Bake as you would biscuits.

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. Sugar + flourtop 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. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

Yeast
Ferments the starter, producing gas that makes the dough rise.
Irish potatoes
Add starch and moisture that keep the rolls soft and tender.
Flour
Forms the gluten network that gives the rolls their structure.
Eggs
Add structure and richness, helping bind the dough and enrich its crumb.
Butter or lard
Adds fat for a tender texture and richer flavor.
Sugar
Feeds the yeast and adds sweetness and browning in the bake.

The step that matters

Let the dough rise fully before baking. Yeast needs enough time in a warm place to produce gas and build volume. Rising too briefly leaves dense rolls, while over-proofing can cause them to collapse.

Swap the potato

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

  1. Chivefits better
  2. Leekfits better
  3. Shallotfits better
  4. Potatothe original

Fit is the average pairing score against sugar, flour, egg, 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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