Why it works: Milk and flour 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
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Make the sponge
Dissolve the yeast in lukewarm water and add sugar.
Let it stand for 30 minutes.
Scald the milk, then cool it.
Add the yeast mixture and enough flour to make a medium batter.
Cover and let it rise.
Make the dough
Stir in 2 to 3 tablespoons of sugar, melted butter, salt, and gradually add flour to form a soft dough.
Knead when too stiff to stir.
Let the dough rise.
Knead down and let it rise again.
Shape and bake
Flatten the dough to about ½ inch thick.
Cut into round or oval shapes.
Brush the tops lightly with melted butter.
Crease through the center with the back of a knife, fold, and press the edges together.
Place in a baking pan with space between each roll.
Let rise.
Bake for about 20 minutes at 400°F (200°C).
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 + 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).
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Milk + eggtop 18% of all pairsAroma overlapmoderateMentioned together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
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Sugar + milktop 18% of all pairsAroma overlaplowMentioned together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
Milk and flour 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
- Yeast
- Ferments the batter and dough, producing gas that makes the rolls rise and become light.
- Flour
- Forms the gluten network that gives the dough its structure and chewy texture.
- Milk
- Adds moisture and richness, and its proteins help the rolls brown and soften.
- Sugar
- Feeds the yeast and adds sweetness and browning in the baked rolls.
- Butter
- Adds fat that tenderises the crumb and gives a soft texture and rich flavour.
The step that matters
Knead until the dough is smooth and elastic. Kneading develops the gluten network that traps the gas from the yeast. Too little kneading leaves dense rolls, while the dough should stay soft rather than stiff.
“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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