Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Mock-Turtle Soup
Ingredients
Directions
Make the stock
In a soup kettle, combine onions, sweet herbs, celery, pepper, and pounded mace.
Fill the kettle with water and boil gently until the meat is tender.
Remove the head and pork, separate the meat from the bones, and return the bones to the soup.
Let it stew for several hours, then cool and remove the fat.
Finish and serve
Strain the soup and thicken it, adding white wine, lemon juice, and Harvey's sauce.
Cut the meat from half the head and the pork into pieces, and warm them in the soup with egg balls and forcemeat.
In a separate pot, fry shallots in batter, dredge with flour, and stir into the gravy.
Add the head and Madeira wine, and simmer until the meat is tender.
Before serving, add basil, tarragon, chives, parsley, cayenne pepper, salt, mushroom ketchup, and soy sauce.
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 + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Celery + lemontop 3% of all pairsSmell alikestrongCooked together3,467 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Onion + celerytop 7% of all pairsSmell alikemoderateCooked together18,518 recipes
Shared aroma: guaiacol (smoky, sweet).
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Onion + porktop 10% of all pairsSmell alikemoderateCooked together18,214 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Calf's head
- Its bones and connective tissue release gelatin, giving the soup body and richness.
- Onions
- Cook slowly in the stock, adding savoury depth and a mild sweetness.
- Egg balls
- Egg proteins set when heated, giving the balls a firm, tender texture.
- Madeira wine
- Adds sweet, rich, fortified-wine flavour to the soup.
- White wine
- Adds acidity that brightens the rich stock.
- Lemon juice
- Adds sharp acidity that balances the richness of the soup.
The step that matters
Cool and remove the fat. Chilling the soup lets fat solidify on the surface so it can be lifted off cleanly. Removing it before adding wine and seasonings keeps the finished soup from tasting greasy.
Swap the mace
How well each one fits the dish's main ingredients (onion, celery, pepper, white wine, lemon, sauce, pork):
- Thymefits better
- Parsleyfits better
- Marjoramfits better
- Macethe original
Fit is the average pairing score against onion, celery, pepper, white wine, lemon, sauce, pork. 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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