Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Potato Rolls
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
Scald the sweet milk and mix in the shortening until melted.
Stir in the sugar, salt, and mashed potato.
Once cooled, add the dissolved yeast cake and beaten egg, then mix in 1 cup of flour.
Let the mixture rise for 2 hours.
Add the remaining 6 cups of flour and knead well.
Let rise for 1.5 hours.
Shape and bake
Roll out the dough thinly and cut with a biscuit cutter.
Dip each piece in melted butter and place two pieces together.
Let rise again for 1.5 hours.
Bake at 350°F (175°C) for 20 minutes.
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.
Photo for illustrative purposes only · Contact us to use it
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Milk + potatotop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
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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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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 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 cake
- Produces gas that makes the dough rise and become light and airy.
- Flour
- Forms the gluten network that gives the rolls structure and chew.
- Mashed potato
- Adds moisture and starch that keep the rolls soft.
- Shortening
- Adds fat that tenderizes the crumb and softens texture.
- Sugar
- Feeds the yeast and contributes sweetness and gentle browning.
- Egg
- Adds protein and richness that bind the dough and add structure.
The step that matters
Let the dough rise fully before shaping and baking. Yeast needs enough time to produce gas and build volume; rolls shaped or baked too early stay dense and heavy, and the second rise lets the shaped pieces expand before the oven sets their structure.
Swap the potato
How well each one fits the dish's main ingredients (milk, sugar, egg, flour, butter):
- Sweet potatofits about as well
- Leekfits about as well
- Arrowrootfits about as well
- Potatothe original
Fit is the average pairing score against milk, sugar, egg, flour, 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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