Name: Chicken Brown Rice Soup
Ingredients: 5 pounds (2.3 kg ) boneless chicken breast; 2 pounds (900 g ) onions , diced; 2 pounds (900 g) celery , chopped; 2 pounds (900 g) baby carrots (whole); 3 pounds (1350 g) brown rice; 2 tablespoons of parsley; 18 pounds (8.1 kg) chicken broth; 1 container Mrs Dash seasoning; Salt to taste; Pepper to taste; olive oil optional

Why it works: Carrot and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 8,053 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓

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 + parsleytop 1% of all pairs

Smell alikestrong

Cooked together8,053 recipes

Shared aroma: 2,4-decadienal (seaweed).
Celery + carrottop 1% of all pairs

Smell alikestrong

Cooked together10,173 recipes

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

Smell alikestrong

Cooked together6,810 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Parsley + peppertop 2% of all pairs

Smell alikestrong

Cooked together34,122 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Celery + peppertop 5% of all pairs

Smell alikestrong

Cooked 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

Chicken breast: Provides the main protein, which becomes tender and firm as it cooks through in the broth.
Brown rice: Absorbs liquid and softens during simmering, thickening the soup and adding chewy texture.
Onions: Release sweetness and savory depth as they soften in the hot broth.
Celery: Adds mild, aromatic flavor and a tender-crisp texture after simmering.
Baby carrots: Add sweetness and color, becoming tender during the long simmer.
Chicken broth: Forms the liquid base, carrying flavor through the whole soup.

The step that matters

Simmering the rice. Brown rice keeps absorbing liquid as it cooks, so the soup can turn thick or mushy if simmered too long or left unstirred. Stirring often keeps the rice from sticking to the pot and scorching on the bottom.

Swap the onion

How well each one fits the dish's main ingredients (chicken, celery, carrot, rice, parsley, pepper, olive):

Capsicumfits better
Tomatofits better
Potatofits better
Onionthe original

Fit is the average pairing score against chicken, celery, carrot, rice, parsley, pepper, olive. 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.

Ingredient	Portion assumed	kcal
Rice	1 cup cooked (158g) white	206
Chicken	100g cooked	165
Olive Oil	1 tbsp (14g)	119
Onion	1 medium (110g)	44
Carrot	1 medium (61g)	25
Celery	1 stalk (40g)	6
Black Pepper	1 tsp ground (2.3g)	6
Parsley	1 tbsp chopped fresh (3.8g)	1
Salt	1 tsp (6g)	0

Chicken Brown Rice Soup