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 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
Scald the milk and shortening.
Let the mixture cool.
Add the yeast, sugar, and salt to the cooled mixture.
Stir in flour with a spoon until the batter is stiff.
Let the dough rise.
Shape the rolls
Cut down with a knife three or four times.
Let the dough rise again.
Cut down with a knife each time.
Roll out the dough with a rolling pin.
Cut into shapes.
Grease both sides.
Fold the dough over in a pocketbook shape.
Let the dough rise for 1 hour.
Bake
Bake at 400°F (200°C) for 15 minutes.
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).
-
Sugar + flourtop 15% of all pairsAroma overlapmoderateMentioned together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
-
Milk + sugartop 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
- Flour
- Forms the gluten network that gives the rolls their structure.
- Yeast
- Produces gas as it ferments, which makes the dough rise and become light.
- Shortening
- Adds fat that tenderizes the crumb and keeps the rolls soft.
- Milk
- Adds moisture and milk sugars that help the rolls brown and stay soft.
- Sugar
- Adds sweetness, feeds the yeast, and helps the crust brown.
The step that matters
Let the mixture cool before adding the yeast. Yeast is a living organism that can be killed by hot liquid. Scalded milk must cool to a warm, not hot, temperature before yeast is added so the yeast stays active and the dough can rise.
“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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