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 rather quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the sponge
Scald the milk and let it cool.
Stir in yeast cakes, sugar, salt, and enough flour to make a stiff batter; do not beat.
Let the mixture rise.
Shape the rolls
Work in enough flour to form a dough that is not too stiff.
Let the dough rise again.
Roll out the dough on a floured surface without kneading.
Add a slight coating of butter and sugar.
Cut the dough into squares.
Fold the squares.
Place the squares into baking pans.
Let them rise until very light.
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).
-
Butter + flourtop 12% of all pairsAroma overlaplowMentioned together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
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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Sugar + buttertop 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
- Sweet milk
- Provides liquid and sugars that hydrate the flour and feed the yeast.
- Yeast cakes
- Ferment the sugars and produce gas that makes the dough rise and become light.
- Flour
- Forms the gluten network that gives the dough structure and holds the rise.
- Butter
- Adds fat that softens the crumb and gives a rich flavor and browning.
- Sugar
- Feeds the yeast and adds sweetness and browning in the crust.
The step that matters
Let them rise until very light. The final proof must build enough gas for a tender, airy crumb. Underproofed rolls stay dense, while overproofed rolls can collapse or bake up flat.
“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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