Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and 124,287 recipes mention both. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Parker House Rolls
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the dough
Soften the yeast cake in lukewarm water.
Add the yeast to the water diluted with boiling water, cooled to lukewarm.
Stir in 1½ cups of flour and beat thoroughly.
Cover and set aside to rise until light and puffy.
Add sugar, salt, melted butter, and the remaining flour.
Knead for 15 minutes until smooth and elastic, then cover and let rise until doubled in bulk.
Shape and bake
Turn the dough onto a floured surface and roll into a ½-inch thick sheet.
Cut into rounds and brush half the surface of each round with melted butter.
Fold the unbuttered half over the buttered half and place in a buttered pan.
Bake until light at 350°F (175°C).
Glaze the top of the rolls with a mixture of 1 teaspoon cornstarch cooked in a little water.
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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Butter + flourtop 12% of all pairsAroma overlaplowMentioned together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Sugar + flourtop 15% of all pairsAroma overlapmoderateMentioned together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
-
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
- All-purpose flour
- Provides the gluten network that traps gas and gives the rolls their structure.
- Yeast
- Produces carbon dioxide as it ferments, making the dough rise and become light.
- Butter
- Adds fat that tenderizes the crumb and gives a rich flavor and golden color.
- Sugar
- Feeds the yeast and adds sweetness and browning in the baked crust.
- Cornstarch
- Cooked into a glaze that gives the baked tops a glossy finish.
The step that matters
Knead until smooth and elastic, then let rise until doubled. Kneading develops gluten so the dough can hold the gas yeast produces. Under-kneading gives dense rolls, while the full rise lets the dough expand and become light.
“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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