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 (200°C) in the steps is the modern equivalent, not the book's own figure.
Make the dough
Add butter, sugar, and salt to the scalded milk.
Let the mixture cool until lukewarm.
Stir in the dissolved yeast cake and 3 cups of flour.
Beat the mixture thoroughly.
Cover the dough and let it rise until light.
Cut down the dough and add enough flour to knead (about 2½ cups).
Let the dough rise again.
Toss the dough on a slightly floured board and knead.
Shape and bake
Roll the dough out to ⅓ inch thickness.
Shape the dough with a floured biscuit cutter.
Make a crease through the middle of each piece with a floured knife.
Brush one half of each piece with melted butter.
Fold the buttered half over the other half and press the edges together.
Place the rolls in a greased pan, one inch apart.
Cover the pan and let the rolls rise.
Bake in a hot oven at 400°F (200°C) for 12 to 15 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).
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Butter + flourtop 12% of all pairsAroma overlaplowMentioned together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 14% of all pairsAroma overlaplowMentioned together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + flourtop 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).
Butter and flour 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
- Flour
- Builds the gluten network that gives the rolls their structure and chew.
- Yeast
- Ferments the dough so it rises and becomes light and airy.
- Milk
- Adds moisture and richness, producing a soft, tender crumb.
- Butter
- Adds fat for tenderness and flavor, and browns the crust.
- Sugar
- Feeds the yeast and adds sweetness and browning to the crust.
The step that matters
Let the dough rise until light. The yeast needs warmth and time to produce gas that expands the dough. Under-proofed dough bakes dense, while over-proofed 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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