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.
When the mixture is lukewarm, add the dissolved yeast cake and 3 cups of flour.
Beat thoroughly, cover, and let rise until light.
Let rise again.
Toss onto a slightly floured board and knead, then pat.
Shape the rolls
Roll out to ½ inch thickness.
Shape with a biscuit cutter dipped in flour.
Dip the handle of a case knife in flour and make a crease through the middle of each piece.
Brush one half of each piece with melted butter.
Fold and press the edges together.
Place in a greased pan, one inch apart.
Let rise.
Bake
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
- Forms the gluten network that traps gas and gives the rolls their structure.
- Yeast cake
- Produces carbon dioxide as it ferments, making the dough rise and become light.
- Milk
- Adds moisture and milk proteins that soften the crumb and aid browning.
- Butter
- Adds fat that tenderizes the crumb and richness to the rolls.
- Sugar
- Feeds the yeast and adds sweetness and browning in the crust.
The step that matters
Let the dough rise until light before shaping. Yeast needs time to produce enough gas to lighten the dough. Shaping or baking underproofed dough gives dense rolls, while the second rise helps the final texture.
“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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