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 gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the dough
Combine the skimmed milk, egg, and butter in a bowl.
Add flour gradually until a smooth dough forms.
Dissolve the yeast in the mixture and let it rise for 5 hours.
Shape and bake
Preheat the oven to 400°F (200°C).
Shape the dough into rolls and place them on a baking sheet.
Bake for 45 minutes until golden brown.
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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Egg + flourtop 15% of all pairsAroma overlaplowMentioned together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + buttertop 17% of all pairsAroma overlapmoderateMentioned together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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 gives the dough its structure and shape.
- Yeast
- Produces gas as it ferments, making the dough rise and become light.
- Egg
- Adds richness and helps bind the dough, contributing to a tender crumb.
- Butter
- Adds fat that tenderizes the crumb and contributes to a soft texture.
- Skimmed milk
- Provides the liquid that hydrates the flour and dissolves the yeast.
The step that matters
Let the dough rise for 5 hours after dissolving the yeast. Yeast needs time and warmth to ferment and produce gas. Rising that is too short leaves the rolls dense, while the gluten structure built during mixing traps the gas so the dough can expand.
“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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