Why it works: Flour and milk are a kitchen classic. They rank in the top 14% of all ingredient pairs, and 78,219 recipes mention both. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Parker House Rolls
Ingredients
Directions
Make the dough
Sift the flour and rub in the lard as for pie crust.
Stir in the sugar and salt.
Mix in the cold boiled milk and add the yeast.
Let the dough stand in a cool place overnight.
Knead the dough down 3 or 4 times throughout the day.
Shape and bake
Shape the dough into rolls at night and place them in pans.
Bake the rolls the next morning.
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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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 + milktop 18% of all pairsAroma overlaplowMentioned together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
Flour and milk share little aroma chemistry, yet 78,219 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
- Provides the structure that the dough's gluten network builds around.
- Lard
- Rubbed into the flour, it adds tenderness and a flaky richness.
- Sugar
- Feeds the yeast and adds sweetness and browning to the crust.
- Boiled milk
- Supplies moisture and richness, giving the dough a soft crumb.
- Yeast
- Produces gas during the long rise, leavening the dough so the rolls become light.
The step that matters
Knead the dough down 3 or 4 times throughout the day. Kneading deflates the gas built up by the yeast and redistributes it, keeping the texture fine and even. Skipping these knockdowns lets the dough over-rise and go coarse or sour before baking.
“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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