Why it works: Flour and arrowroot match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 525 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Biscuits
Ingredients
Directions
The book says “a rather quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 400°F (200°C).
Make the dough
Mix the baking powder with the flour.
Add the sugar, arrowroot, butter, egg, and enough milk to form a stiff paste.
Knead the mixture with a rolling pin for 30 minutes.
Shape and bake
Roll the dough thin and cut out biscuits.
Prick the biscuits well and bake them in the preheated oven.
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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Flour + arrowroottop 2% of all pairsSmell alikestrongCooked together525 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
Flour and butter 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
- All-purpose flour
- Forms the main structure of the dough as its proteins hydrate and develop.
- Baking powder
- Releases gas in the dough to lift and lighten the biscuits as they bake.
- Butter
- Adds fat that keeps the biscuits tender and adds rich flavor.
- Egg
- Binds the dough and adds richness and structure to the biscuits.
- White sugar
- Adds sweetness and helps the biscuits brown in the oven.
The step that matters
Knead the mixture with a rolling pin for 30 minutes. Long kneading develops gluten and toughens the dough, while biscuits are usually made tender by handling the dough lightly and briefly. Over-working it can make the biscuits dense and hard.
Swap the arrowroot
How well each one fits the dish's main ingredients (flour, sugar, butter, egg, milk):
- Sweet potatofits about as well
- Leekfits about as well
- Arrowrootthe original
- Chivefits about as well
Fit is the average pairing score against flour, sugar, butter, egg, milk. 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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