Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Potato Biscuit
Ingredients
Directions
Make the dough
Boil the potatoes until tender, then mash them very fine while warm.
Stir in the butter, sugar, yeast, warm milk, and enough flour to make a batter.
Add a little salt and set the mixture to rise for 4 to 5 hours or until quite light.
Once risen, add enough flour to make a soft dough and let it rise again until light.
Shape and bake
Roll out the dough and cut it into biscuit shapes.
Set the biscuits to rise for 30 to 45 minutes, then bake.
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 their aromas overlap, and how often cooks already put them together.
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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Potato + milktop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they 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
- Potatoes
- Mashed potato adds moisture and a soft, tender crumb to the dough.
- Yeast
- Produces gas as it ferments, making the dough rise and turn light.
- Butter
- Adds fat, which softens the crumb and gives a richer flavour.
- White sugar
- Feeds the yeast and adds a little sweetness to the biscuits.
- Milk
- Provides moisture and helps the dough become soft and pliable.
- Flour
- Forms the gluten structure that traps gas and holds the biscuit shape.
The step that matters
Letting the dough rise until light. Yeast needs time and warmth to produce enough gas; under-proofed dough bakes dense, while the second rise sets the final light texture.
Swap the potato
How well each one fits the dish's main ingredients (butter, sugar, milk, flour):
- Arrowrootfits about as well
- Sweet potatofits about as well
- Potatothe original
- Leekfits about as well
Fit is the average pairing score against butter, sugar, milk, flour. Candidates are from the same food group and used in at least 100 recipes.
“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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