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 hot oven”. The 400°F in the steps is the modern equivalent, not the book's own figure.
Prepare the dough
Boil the milk and let it cool.
Sift the flour into a mixing bowl.
Rub in the butter, sugar, and salt.
Make a well in the center, add the cooled milk, and the dissolved yeast.
Sprinkle a little flour on top, cover the bowl, and let it sit overnight.
In the morning, mix the dough with a spoon.
Knead for 20 minutes.
Return the dough to the bowl, cover, and let it rise in a warm place until tripled in size (about 3 hours).
Shape the rolls
Turn the dough onto a floured surface and roll it to ½ inch thick.
Cut with a round cutter.
Shape each roll by pressing a stick into the side and folding over.
Optionally, spread ½ teaspoon of butter between the folds of each roll.
Place the rolls in buttered pans.
Cover with a cloth, and let rise for 1.5 hours until doubled in size.
Bake
Bake in a hot oven (400°F/200°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 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).
-
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
- Provides the structure that the dough's gluten network builds on.
- Milk
- Adds moisture and richness, softening the crumb and aiding browning.
- Butter or lard
- Adds fat for tenderness and a softer, more pliable crumb.
- Sugar
- Feeds the yeast and adds sweetness and browning in the crust.
- Yeast
- Ferments the dough, producing gas that makes the rolls rise and become airy.
The step that matters
Letting the dough rise until tripled. Yeast gas must expand the gluten network fully; underproofed dough bakes dense, while overproofed dough collapses and loses 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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