Why it works: Celery and carrot match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,173 recipes. Both carry myristicin, which smells spice, warm. The science ↓
Vegetable Soup
Ingredients
Directions
The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Make the broth
Combine the beef shank and water in a large pot.
Bring the mixture to a boil.
Simmer the soup
Add the onion, celery, potatoes, carrot, cabbage, tomatoes, salt, black pepper, and red pepper.
Simmer until the vegetables are tender, about 30 minutes.
Mix the flour with water in a small bowl to create a paste.
Stir the paste into the soup to thicken it.
Serve
Serve hot, garnished with fresh 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.
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.
-
Celery + carrottop 1% of all pairsSmell alikestrongCooked together10,173 recipes
Shared aroma: myristicin (spice, warm).
-
Onion + potatotop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Celery + tomatotop 4% of all pairsSmell alikemoderateCooked together3,377 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Potato + carrottop 4% of all pairsSmell alikestrongCooked together3,107 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
-
Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 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
- Beef shank
- Releases savory flavor and body into the broth as it simmers.
- Potatoes
- Soften during simmering and add starch that gives the soup body.
- Tomatoes
- Add acidity and color, balancing the savory broth.
- Flour
- Starch that thickens the broth when stirred in as a paste.
- Carrot
- Adds natural sweetness that mellows as it cooks.
The step that matters
Stirring the flour paste into the soup. Flour added directly to hot liquid clumps; mixing it with water first into a smooth paste lets the starch disperse evenly so the soup thickens smoothly.
Swap the cabbage
How well each one fits the dish's main ingredients (beef, onion, celery, potato, carrot, tomato, pepper):
- Capsicumfits better
- Okrafits better
- Turnipfits better
- Cabbagethe original
Fit is the average pairing score against beef, onion, celery, potato, carrot, tomato, pepper. 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.
More vegetable soup recipes
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.

Tomato Soup526 recipes
Potato Croquettes255 recipes
Roast Beef211 recipes
Beef Loaf175 recipes