Name: Spring Vegetable Soup
Ingredients: 2 pounds shin of beef; 2 pounds knuckle of veal; 5 pints water; 1 teaspoon coarse sea salt; 2 young carrots, scraped and sliced; ½ head celery, chopped; 1 small onion, diced; 1 turnip, sliced; 1 cauliflower, broken into small pieces

Why it works: Carrot and celery 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 ↓

Spring Vegetable Soup

Ingredients

Directions

Make the broth

Remove all fat from the beef and veal, break the bones, and extract the marrow.
Place the meat and bones in a pot with 5 pints of water and add 1 teaspoon of coarse sea salt.
Cover and bring to a quick boil, then remove any scum that rises.
Reduce heat and let it simmer for 5 hours.

Add the vegetables

One hour before serving, add the sliced carrots, chopped celery, and diced onion.
After 30 minutes, add the sliced turnip.
In the last 15 minutes, add the cauliflower pieces.

Recipe from a historical cookbook (Internet Archive).

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.

Carrot + celerytop 1% of all pairs

Smell alikestrong

Cooked together10,173 recipes

Shared aroma: myristicin (spice, warm).
Turnip + cauliflowertop 1% of all pairs

Smell alikestrong

Cooked together286 recipes

Shared aroma: coumarin (sweet, hay).
Carrot + turniptop 1% of all pairs

Smell alikestrong

Cooked together8,002 recipes

Shared aroma: coumarin (sweet, hay).
Celery + turniptop 2% of all pairs

Smell alikemoderate

Cooked together4,418 recipes

Shared aroma: coumarin (sweet, hay).
Onion + turniptop 5% of all pairs

Smell alikestrong

Cooked together7,585 recipes

Shared aroma: coumarin (sweet, hay).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Shin of beef: Releases gelatin and flavor into the broth during long simmering, giving body and richness.
Knuckle of veal: Its bones and marrow add gelatin and depth, thickening the broth as it simmers.
Carrots: Add natural sweetness and color to the soup.
Cauliflower: Adds mild flavor and a tender texture after a short cook.

The step that matters

Removing the scum after the boil. Scum is coagulated protein and impurities that rise as the broth heats. Skimming it early keeps the broth clear and clean-tasting rather than cloudy or bitter.

Swap the cauliflower

How well each one fits the dish's main ingredients (beef, veal, carrot, celery, onion, turnip):

Leekfits better
Parsnipfits better
Potatofits better
Cauliflowerthe original

Fit is the average pairing score against beef, veal, carrot, celery, onion, turnip. 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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Spring Vegetable Soup