Why it works: Parsnip and carrot match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,097 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓
Ox-cheek Soup
Ingredients
Directions
Prepare
Place the ham in the bottom of a large pot with the butter.
Break the bones of the ox-cheek.
Wash the ox-cheek clean.
Add the ox-cheek to the pot.
Chop the vegetables.
Add the vegetables to the pot.
Make the soup
Set the pot over low heat for 30 minutes.
Add the water.
Simmer gently until reduced to 4 quarts.
Remove the meat from the pot.
Strain the soup into a clean pot.
Thicken the soup with flour.
Add a head of sliced celery.
Simmer until the celery is tender.
Add browning if needed.
Serve
Cut the meat into small pieces.
Pour the soup over the meat.
Serve with the crust of a French roll.
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.
Photo for illustrative purposes only · Contact us to use it
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.
-
Parsnip + carrottop 1% of all pairsSmell alikestrongCooked together1,097 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
-
Carrot + celerytop 1% of all pairsSmell alikestrongCooked together10,173 recipes
Shared aroma: myristicin (spice, warm).
-
Parsnip + celerytop 3% of all pairsSmell alikestrongCooked together561 recipes
Shared aroma: myristicin (spice, warm).
-
Carrot + clovetop 5% of all pairsSmell alikestrongCooked together5,873 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
-
Parsnip + clovetop 6% of all pairsSmell alikestrongCooked together306 recipes
Shared aroma: myrcene (balsamic, herbaceous).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Ox-cheek
- Its connective tissue breaks down during long simmering, giving the soup body and tender meat.
- Butter
- Fat that carries flavor from the ham and vegetables into the soup.
- Ham or bacon
- Adds savory, salty depth to the broth as it cooks.
- Onions
- Sweetness and aroma develop as they soften in the fat.
- Carrots
- Add natural sweetness and body to the broth.
The step that matters
Simmer gently until reduced to 4 quarts. A hard boil makes the broth cloudy and toughens the meat, while a gentle simmer lets collagen soften slowly and the flavors concentrate clearly.
Swap the mace
How well each one fits the dish's main ingredients (butter, ham, parsnip, carrot, onion, celery, clove):
- Parsleyfits better
- Thymefits better
- Marjoramfits better
- Macethe original
Fit is the average pairing score against butter, ham, parsnip, carrot, onion, celery, clove. 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.
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.

Carrot Soup134 recipes
Cream of Celery Soup113 recipes
Celery Stew25 recipes
Celery Croquettes16 recipes