Why it works: Flour and milk are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Rock Buns, Plain
Ingredients
Directions
The book says “a good 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
In a bowl, mix the flour and fat by rubbing them together with your fingertips.
Add the salt, sugar, currants, baking powder, and candied peel, mixing well.
In the center, add the egg and milk, and mix lightly with a fork.
Shape and bake
Drop rough heaps of the mixture onto a greased baking tray, leaving half an inch between each.
Bake for about 20 minutes until golden brown.
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.
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 + 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).
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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Currant + milktop 16% of all pairsSmell alikelowCooked together5,475 recipes
Shared aroma: isoamyl acetate (banana, pear).
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Egg + milktop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
Flour and milk barely smell alike, yet cooks put them together in 78,219 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 structure of the buns as the starch and gluten set in the oven.
- Fat (lard, dripping, or margarine)
- Rubbed into the flour to coat it, giving the buns a short, tender crumb.
- Egg
- Binds the mixture and adds richness and structure to the dough.
- Baking powder
- Releases gas during baking so the buns rise and lighten.
- Moist sugar
- Adds sweetness and helps the buns brown in the oven.
- Currants or sultanas
- Add sweetness and fruitiness, with moisture released during baking.
The step that matters
Mixing in the milk and egg. Mixing lightly with a fork until just combined keeps the dough tender. Overworking develops gluten, which makes the buns tough and dense.
Swap the currant
How well each one fits the dish's main ingredients (flour, egg, sugar, milk):
- Vanillafits better
- Raisinfits better
- Figfits better
- Currantthe original
Fit is the average pairing score against flour, egg, sugar, 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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