Why it works: Milk and butter 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.
Prepare the dough
Place the flour in a large bowl and make a hollow in the center of the flour.
Add the warm milk, ½ cup of butter, yeast, sugar, and salt.
Let the mixture stand for several hours before mixing.
Mix until the dough is slightly softer than bread dough.
Shape the rolls
Mold and roll out the dough.
Cut the dough with a tumbler.
Place a small piece of butter in the center of each roll.
Fold the sides of each roll together.
Rise and bake
Place the rolls on a baking sheet to rise.
When they are light, 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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Milk + buttertop 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
- Forms the gluten network that gives the rolls their structure.
- Yeast
- Produces gas as it ferments, causing the dough to rise and become light.
- Butter
- Adds fat that tenderizes the crumb and enriches the flavor.
- Warm milk
- Hydrates the flour and softens the dough, adding moisture and richness.
- Sugar
- Feeds the yeast and adds a touch of sweetness and browning.
The step that matters
Letting the mixture stand before mixing. The yeast needs time to become active and start fermenting before the dough is mixed. Rushing this step can leave the dough dense and slow to rise.
“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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