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
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 dough
Melt the butter in the milk and let it cool.
In a bowl, mix the melted butter and milk with the yeast, egg, sugar, and hot mashed potato.
Gradually add flour until you have a nice batter.
Set the batter aside to rise for a few hours.
After it has risen, beat it down without adding more flour.
Shape and bake
Two hours before dinner, roll out the dough on a floured surface and cut with a biscuit cutter.
Place two biscuits together with grease in between and arrange them in a greased pan.
Let them rise for about 1.5 hours.
Bake in a preheated oven at 400°F (200°C) until golden.
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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Milk + potatotop 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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Butter + potatotop 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
- Yeast
- Produces gas that makes the dough rise and become light.
- Egg
- Adds structure and richness, helping hold the dough together.
- Butter
- Adds fat for tenderness and a richer flavor.
- Mashed potato
- Adds moisture and starch that keep the biscuits soft.
- Flour
- Forms the gluten structure that gives the dough its body.
The step that matters
Beat down the dough without adding more flour. Adding flour at this point would make the dough stiffer and denser, reducing the lightness gained during rising.
Swap the potato
How well each one fits the dish's main ingredients (egg, butter, sugar, milk, flour):
- Sweet potatofits about as well
- Leekfits about as well
- Arrowrootfits about as well
- Potatothe original
Fit is the average pairing score against egg, 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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