Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Vegetable Marrow Fried in Butter
Ingredients
Directions
Prepare the marrow
Pare and quarter the marrows.
Boil them for 10 minutes until three‑quarters cooked.
Drain the marrows.
Sprinkle with pepper and salt.
Make the batter
Mix flour and salt in a bowl.
Add water to form a paste.
Stir in oil and the egg yolk, beating until smooth.
Let the batter rest in a cool place for 1 hour.
Whisk the egg whites to a firm froth.
Fold the egg whites into the batter.
Fry and serve
Dip them in the frying batter.
Fry the marrows in hot oil or lard until golden brown.
Transfer the fried marrows to a dish.
Sprinkle with chopped parsley.
Serve alone or with dressed meat.
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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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Flour + parsleytop 12% of all pairsSmell alikemoderateCooked together16,675 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Pepper + flourtop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Egg + parsleytop 21% of all pairsSmell alikemoderateCooked together18,765 recipes
Shared aroma: 2,4-decadienal (seaweed).
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
- Marrows
- Provide the main body of the dish, becoming tender when boiled and fried.
- All-purpose flour
- Forms the batter's structure, thickening it into a coating that crisps when fried.
- Egg yolk
- Adds richness and helps the batter bind and become smooth.
- Egg whites
- Whipped to a froth, they lighten the batter so the coating stays airy when fried.
- Oil
- Adds fat to the batter and carries heat for frying to a golden brown finish.
The step that matters
Fold the egg whites into the batter. Whites beaten to a firm froth trap air that lightens the coating. Overmixing deflates the foam, leaving a dense batter that fries heavy and greasy.
Swap the parsley
How well each one fits the dish's main ingredients (pepper, flour, egg):
- Turmericfits about as well
- Parsleythe original
- Nutmegfits about as well
- Jalapenofits about as well
Fit is the average pairing score against pepper, flour, egg. 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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