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 deep bowl, place the flour and make a hollow in the center.
Add the sugar, butter, cold scalded milk, and yeast in that order without mixing.
Cover with a towel and let it sit in a cool place overnight.
In the morning, dissolve the salt in a little warm water and add it to the dough.
Mix all ingredients and knead the dough for 15 minutes.
Return the dough to the bowl, cover it, and let it rise for 6 hours.
Shape and bake
Knead the dough again for 2-3 minutes, then roll it out to ½ inch thick.
Cut the dough with a biscuit cutter and place a small piece of butter on one side of each round.
Fold the rounds in half and place them in a buttered baking pan.
Cover with a cloth and let the rolls rise for 30 minutes.
Bake in a preheated oven at 400°F (200°C) for about 15 minutes and serve hot.
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 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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Sugar + buttertop 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
- Forms the gluten network that gives the rolls their structure and chew.
- Yeast
- Produces gas as it ferments, causing the dough to rise and become airy.
- Milk
- Adds moisture and richness, softening the crumb and aiding browning.
- Butter
- Adds fat that tenderises the crumb and gives a rich flavour.
- Sugar
- Feeds the yeast and adds sweetness and browning in the crust.
The step that matters
Letting the dough rise fully. Yeast needs enough time to produce gas for the dough to expand properly. Underproofed dough bakes up dense, while overproofed dough can collapse and lose 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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