Why it works: Potato and milk are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 3,611 recipes. Both carry (e,z)-2,6-nonadienal, which smells cucumber, melon. The science ↓
Good Bread
Ingredients
Directions
The book says “a moderately hot oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the potatoes
Boil the potatoes until done, then pour off the water and let them cool.
Mash the potatoes very fine and pass them through a sieve.
Make the dough
Pour boiling milk over enough flour to make a dough and let it cool.
Add the mashed potatoes to the dough.
Add the yeast cake to the dough.
Add the coarse sea salt to the dough.
Add the sugar to the dough.
Stir the mixture until stiff.
Add more flour as needed to reach desired consistency.
Let the mixture stand in a warm place until it rises.
Dissolve the baking soda in a little hot water and mix it into the dough with your hands.
Mold the dough into loaves.
Let the loaves rise again.
Bake
When sufficiently raised, place the loaves in a moderately hot oven at 350°F (175°C).
Maintain a steady heat until done.
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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Potato + milktop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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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Milk + sugartop 18% of all pairsSmell alikelowCooked together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
Milk and flour barely smell alike, yet cooks put them together in 78,219 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 starch that keep the crumb soft and tender.
- Yeast cake
- Ferments the dough, producing gas that makes the loaves rise.
- Flour
- Forms the gluten structure that traps gas and gives the loaves their body.
- Baking soda
- Reacts with acid in the dough to release extra gas for additional lift.
- Sugar
- Feeds the yeast and adds a little sweetness and browning.
The step that matters
Let the loaves rise again. Yeast needs time to build gas and stretch the gluten before baking. Loaves that are underproofed stay dense, while overproofed ones collapse in the oven.
Swap the potato
How well each one fits the dish's main ingredients (milk, flour, sugar):
- Arrowrootfits better
- Sweet potatofits better
- Beetrootfits about as well
- Potatothe original
Fit is the average pairing score against milk, 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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