Why it works: Lemon and pepper 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
Ingredients
Directions
Prepare the meat
Boil the beef and cow heel gently for 15 minutes.
Remove the cover and brown the meat.
Add boiling water to the stewpan.
Simmer for 2 hours.
Cut the meat into bite-sized pieces.
Finish the soup
Add the meat to the soup.
Mix 2-3 tablespoons of flour with a ladleful of gravy until smooth, then pour the mixture back into the stewpan.
Simmer for another 30 minutes.
Skim the soup and strain it through a sieve.
Add lemon juice, mushroom catsup, salt, pepper, nutmeg, and wine to the soup, then simmer for an additional 5 minutes.
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.
-
Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Beef + mushroomtop 4% of all pairsSmell alikemoderateCooked together3,232 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
-
Lemon + nutmegtop 5% of all pairsSmell alikestrongCooked together11,318 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Butter + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
-
Pepper + nutmegtop 7% of all pairsSmell alikestrongCooked together13,015 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Gravy beef
- Provides the main meat flavour and body as it simmers into the broth.
- Cow heel
- Adds gelatin, giving the soup a richer, silkier body as it cooks.
- Butter
- Carries fat and flavour into the base and helps build a smooth roux.
- Flour
- Thickens the soup as a roux or slurry, giving it a smoother, heavier texture.
- Madeira or sherry wine
- Adds acidity and aromatic depth to the finished soup.
The step that matters
Mixing the flour with gravy until smooth. Flour clumps if added directly to hot liquid. Blending it first with a ladleful of gravy lets the starch disperse evenly, so the soup thickens smoothly without lumps.
“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.
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Indian Spiced Potato Soup with Tofu and Spinach448 recipes
Clear Carrot and Bottle Gourd Soup65 recipes
Mock Bisque Soup51 recipes
Cream of Asparagus Soup42 recipes