Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and 81,283 recipes mention both. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Parker House Rolls
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Make the dough
In a large bowl, mix the flour, butter, salt, and sugar with your hands.
Make a hole in the center of the flour and pour in the scalded milk.
Once the milk cools, add the yeast and set aside to rise at 9 o'clock.
Around noon, stir the mixture well and let it rise again.
Shape and bake
At 4 o'clock, roll out the dough to ¼ inch thick, cut into rounds, and fold like an envelope with a small piece of butter in between.
Let the rolls rise again for 1 hour, then bake in a 400°F (200°C) oven.
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 aroma chemistry they share, and how many recipes mention both.
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Butter + milktop 7% of all pairsAroma overlapmoderateMentioned together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Flour + buttertop 12% of all pairsAroma overlaplowMentioned together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsAroma overlaplowMentioned together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + sugartop 15% of all pairsAroma overlapmoderateMentioned together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Butter + sugartop 17% of all pairsAroma overlapmoderateMentioned together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
Flour and butter share little aroma chemistry, yet 124,287 recipes mention both: they likely 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
- All-purpose flour
- Provides the gluten network that gives the rolls their structure.
- Yeast
- Produces carbon dioxide during rising, which leavens the dough and makes it airy.
- Scalded milk
- Adds moisture and softness, and its proteins help give a tender crumb.
- Butter
- Adds fat that tenderizes the crumb and enriches the flavor.
- Sugar
- Feeds the yeast and adds sweetness and some browning in the oven.
The step that matters
Letting the dough rise at the set times. Yeast needs time and warmth to produce gas and develop flavor. Rising too short leaves rolls dense, while over-proofing weakens the gluten and can collapse the structure.
“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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