Why it works: Butter and flour 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
Ingredients
Directions
Make the batter
Melt the butter in a basin, pour in boiling water, and cool with cold water.
In another basin, mix flour and salt, then gradually add the liquid until smooth and creamy.
If too thin, add more flour and mix well.
Beat the egg whites until frothy and stir into the batter.
Prepare the apples
Prepare apples by peeling, coring, and slicing them into ½ inch thick rounds.
Sprinkle apple slices with sugar and lemon juice, and let sit for 2 hours.
Fry and serve
Heat plenty of boiling fat in a shallow saucepan.
Dip each apple slice into the batter, then place in a wire basket and fry in hot fat until golden brown.
Remove fritters and drain on blotting paper for 5 minutes.
Serve piled on a hot dish, sprinkled 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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Apple + lemontop 14% of all pairsSmell alikemoderateCooked together7,551 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + appletop 14% of all pairsSmell alikemoderateCooked together8,706 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
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).
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
- Flour
- Forms the structure of the batter that coats and holds the apple slices.
- Egg whites
- Beaten in to add lightness and air, helping the batter puff and crisp when fried.
- Butter
- Adds richness and fat, contributing to a tender interior and browning.
- Apples
- Provide the main fruit body that softens within the crisp batter during frying.
- Lemon juice
- Adds acidity that brightens the apple flavour and helps keep the slices pale.
The step that matters
Frying in hot fat. The fat must be plenty and very hot so the batter sets and browns quickly; if it is too cool, the batter absorbs fat and the fritters turn greasy and heavy.
Swap the apple
How well each one fits the dish's main ingredients (butter, flour, egg, sugar, lemon):
- Raisinfits better
- Vanillafits better
- Figfits better
- Applethe original
Fit is the average pairing score against butter, flour, egg, sugar, lemon. 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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