Why it works: Flour and egg are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 106,462 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Fried Fish in Batter
Ingredients
Directions
Make the batter
In a bowl, combine flour, salt, and pepper.
Gradually add salad oil and tepid water, mixing well.
Fold in the stiffly beaten egg white.
Fry and serve
Cut the fish fillets into neat pieces and coat them with the batter.
Heat deep fat until a faint haze rises, then fry the coated fish until golden brown.
Drain thoroughly and serve garnished with fried parsley.
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 + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + peppertop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Fish + peppertop 21% of all pairsSmell alikemoderateCooked together3,948 recipes
Shared aroma: 2-nonenal (fatty, green).
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Fish + eggtop 22% of all pairsSmell alikemoderateCooked together2,782 recipes
Shared aroma: 2-nonenal (fatty, green).
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Fish + flourtop 27% of all pairsSmell alikelowCooked together2,532 recipes
Shared aroma: acetaldehyde (pungent, ethereal).
Flour and egg barely smell alike, yet cooks put them together in 106,462 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
- Egg white
- Stiffly beaten, it folds air into the batter so the coating puffs and stays light when fried.
- Flour
- Forms the structure of the batter that coats and holds onto the fish.
- Salad oil
- Adds fat to the batter, giving a tender coating that browns evenly.
The step that matters
Heating the deep fat until a faint haze rises. Fat that is too cool lets the batter soak up oil and turn greasy, while the right heat sets the coating quickly and browns it. Wait for the haze before adding the fish.
“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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