Why it works: Butter and flour 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 ↓
Potato Buns
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the dough
In a large bowl, combine the mashed potatoes, sugar, eggs, yeast, and melted butter.
Mix well until fully combined.
Gradually add flour until the dough is stiff.
Shape, rise and bake
Shape the dough into buns and place them on a baking sheet.
Allow the buns to rise until doubled in size.
Bake in a preheated oven at 350°F (175°C) until golden brown.
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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Butter + flourtop 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).
-
Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
-
Potato + flourtop 15% of all pairsSmell alikemoderateCooked together5,355 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour 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
- Mashed potatoes
- Adds moisture and a soft, tender crumb to the dough.
- Eggs
- Add structure and richness, helping the buns hold their shape.
- Yeast
- Produces gas that makes the dough rise and become airy.
- Melted butter
- Adds fat for tenderness and a richer flavor.
- Flour
- Forms the gluten network that gives the dough its structure.
The step that matters
Allow the buns to rise until doubled in size. Yeast needs enough time to produce gas and expand the dough. Underproofed buns stay dense, while overproofed buns may collapse or bake up flat.
Swap the potato
How well each one fits the dish's main ingredients (sugar, egg, butter, flour):
- Chivefits better
- Leekfits better
- Shallotfits better
- Potatothe original
Fit is the average pairing score against sugar, egg, butter, flour. 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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