Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Scotch Short Cake
Ingredients
Directions
The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Make the dough
Cream the butter and sugar together until smooth.
Add the egg yolk and mix well.
Gradually sift in the all-purpose and rice flour, mixing until a dough forms.
Shape and bake
Roll the dough to about ½ inch thick and cut into squares.
Bake in a slow oven at 300°F (150°C) until lightly 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.
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 + buttertop 12% of all pairsSmell alikelowCooked together124,287 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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Rice + buttertop 16% of all pairsSmell alikemoderateCooked together9,645 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Flour + ricetop 16% of all pairsSmell alikemoderateCooked together6,611 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Provides the main structure that holds the dough together after baking.
- Rice flour
- Adds a fine, crisp, tender texture because it has little gluten.
- Unsalted butter
- Supplies fat that makes the shortbread rich and tender, and carries flavor.
- Sugar
- Sweetens the shortbread and helps it brown lightly in the oven.
- Egg yolk
- Adds richness and helps bind the butter and flour into a cohesive dough.
The step that matters
Bake slowly until lightly golden. A slow oven dries and sets the shortbread evenly without over-browning it. A hotter oven can brown the edges before the centre is cooked through, and the sugar and butter darken quickly.
“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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