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 quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the dough
Melt the butter in the warm milk.
Add sugar, salt, and flour, then let it rise overnight.
In the morning, dissolve baking soda in water and mix it into the dough.
Add enough flour to achieve a soft biscuit dough consistency.
Shape and rise
Roll out the dough to ¼ inch thick and cut with a large round cutter.
Spread soft butter on top of each round and fold in half.
Place the rolls apart on a baking sheet and cover them.
Let them rise near a warm place for 15-20 minutes.
Bake
Bake in a preheated oven at 400°F (200°C) until golden.
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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Egg + flourtop 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
- Flour
- Provides the structure that holds the rolls together as the dough expands.
- Yeast
- Produces gas during fermentation, which makes the dough rise and become airy.
- Milk
- Adds moisture and richness, softening the crumb and aiding browning.
- Butter
- Adds fat that tenderizes the crumb and gives a rich flavor.
- Sugar
- Feeds the yeast and adds sweetness and browning during baking.
- Baking soda
- Reacts with the dough to add lift and help the rolls rise further.
The step that matters
Let the rolls rise before baking. Yeast gas needs time and warmth to expand the shaped dough. Rolls baked before they have risen fully stay dense, while over-proofed rolls may collapse.
“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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