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 moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Make the dough
Make white bread dough, adding ½ cup butter and 1 teaspoon sugar to the liquid before the flour.
Let the dough rise until doubled in size.
Shape the rolls
Turn the dough out onto a floured board without kneading and roll it out thin.
Cut the dough with a round cutter.
Spread creamed butter on half of each round and fold the other half over, sealing the edges.
Place the rolls in a baking pan, leaving space between them.
Let the rolls rise for about 1 hour.
Glaze and bake
For a high glaze, brush the tops with a mixture of ⅛ cup milk and ¼ egg yolk just before baking.
Bake in a preheated oven at 350°F (175°C) for about 20 minutes.
If not browned after 18 minutes, increase the heat and bake a few minutes longer.
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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Butter + milktop 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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Flour + milktop 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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Flour + eggtop 15% of all pairsAroma overlaplowMentioned together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Butter
- Adds fat and richness, giving the dough a tender crumb and a buttery flavor.
- Flour
- Forms the gluten structure that traps gas and gives the rolls their chewy, airy body.
- Sugar
- Feeds the yeast and adds sweetness and gentle browning to the crust.
- Egg yolk
- Enriches the glaze, helping the tops brown and turn glossy.
The step that matters
Sealing the edges and browning the tops. Sealing the folded edges keeps the butter inside during rising and baking. Checking for browning before raising the heat helps the glaze colour evenly without scorching the rolls.
“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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