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 ↓
Apple Fritters I
Ingredients
Directions
Make the batter
Mix the flour with the yolk of the egg, add butter or oil, and gradually mix in the lukewarm water.
Just before using, beat the egg white with a pinch of salt until stiff and fold it into the batter.
Prepare and fry
Peel the apples, remove the cores, and cut them into rings about ½ inch thick.
Dip the apple rings into the batter and fry in deep hot oil until golden brown.
Drain on brown paper and sprinkle with castor sugar.
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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Butter + appletop 14% of all pairsSmell alikemoderateCooked together8,706 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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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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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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
- Flour
- Forms the structure of the batter that coats and crisps around the apple.
- Egg
- The yolk enriches the batter and the whipped white lightens it for a airy texture.
- Apples
- Provide the fruit filling that softens inside while the coating fries crisp.
- Butter or salad oil
- Adds fat that tenderises the batter and helps it brown when fried.
The step that matters
Folding in the beaten egg white. Stiffly beaten whites trap air that makes the batter light. Beating too early lets the foam collapse, so it should be folded in just before frying.
Swap the apple
How well each one fits the dish's main ingredients (flour, egg, butter, sugar):
- Raisinfits better
- Vanillafits better
- Figfits better
- Applethe original
Fit is the average pairing score against flour, egg, butter, sugar. 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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