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 ↓
Bread with Compressed Yeast
Ingredients
Directions
Make the sponge
Cook the potatoes in 1 pint of water until done, then mash them.
When the potatoes are lukewarm, dissolve the yeast in a little water and add it to the potatoes.
Stir in enough sifted flour until the mixture is thicker than griddle cake batter and set it in a warm place to rise.
Add 1 quart of lukewarm water, salt, sugar, and butter to the sponge.
Make and rise the dough
Mix in enough flour to form a soft dough that can be handled well.
Knead the dough until smooth and elastic, about 25 minutes, then set it to rise again in a warm place.
Shape and bake
When the dough has doubled in size, shape it into loaves and prick each one with a fork.
Place the loaves in well-greased pans and bake when light.
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.
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Potato + flourtop 15% of all pairsSmell alikemoderateCooked together5,355 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked 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 water add moisture and body to the dough, helping it stay soft.
- Compressed yeast
- Produces carbon dioxide as it ferments, making the dough rise and become light.
- Sifted flour
- Its proteins form gluten when kneaded, giving the dough structure to hold gas.
- Sugar
- Feeds the yeast so fermentation proceeds, and adds a little sweetness.
- Butter
- Adds fat that tenderizes the crumb and softens the texture.
The step that matters
Knead the dough until smooth and elastic. Kneading develops gluten strands that trap the gas made by the yeast. Under-kneaded dough rises poorly and bakes up dense and coarse.
Swap the potato
How well each one fits the dish's main ingredients (flour, sugar, butter):
- Arrowrootfits better
- Shallotfits better
- Sweet potatofits better
- 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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