Name: Chicken Simmered with Zucchini, Tomatoes and Mushrooms
Ingredients: 2 tablespoons extra virgin olive oil; 1 medium yellow onion, sliced; 6 ounces portobello mushrooms, coarsely chopped (about 2½ cups); 2 garlic cloves, minced; ¼ to ½ teaspoons red pepper flakes; sea salt and freshly ground black pepper to taste; ½ teaspoon dried oregano; ½ teaspoon dried basil; ½ cup gluten-free chicken broth; 4 Italian plum tomatoes, quartered; 2 medium zucchini, cut into 1-inch pieces; 1 pound chicken tenders

Why it works: Oregano and basil match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,390 recipes. Both carry estragole, which smells anise, licorice. 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.

Oregano + basiltop 1% of all pairs

Smell alikestrong

Cooked together1,390 recipes

Shared aroma: estragole (anise, licorice).
Onion + garlictop 1% of all pairs

Smell alikestrong

Cooked together29,058 recipes

Shared aroma: furaneol (caramel, strawberry).
Garlic + oreganotop 2% of all pairs

Smell alikemoderate

Cooked together3,756 recipes

Shared aroma: beta-phellandrene (minty, terpene).
Olive + garlictop 2% of all pairs

Smell alikemoderate

Cooked together25,665 recipes

Shared aroma: linalool (floral, citrus).
Olive + basiltop 3% of all pairs

Smell alikemoderate

Cooked together5,063 recipes

Shared aroma: 3-hexenal (apple, fruity).

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

What each ingredient does

Chicken tenders: Provide the main protein, which turns firm and opaque as it cooks through.
Portobello mushrooms: Add savory, meaty body and release moisture that helps build the sauce.
Zucchini: Adds tender texture and moisture that softens as the dish simmers.
Italian plum tomatoes: Break down while simmering to add acidity and body to the liquid.
Yellow onion: Softens and turns sweet as it cooks, providing a flavor base.

The step that matters

Simmering the chicken until cooked through. Chicken tenders are thin and cook quickly, so overcooking makes them dry and tough, while undercooking leaves them unsafe. Checking that the chicken is opaque and firm, rather than relying only on time, helps the cook get it right.

Swap the onion

How well each one fits the dish's main ingredients (olive, mushroom, garlic, clove, pepper, oregano, basil):

Eggplantfits better
Tomatofits better
Capsicumfits better
Onionthe original

Fit is the average pairing score against olive, mushroom, garlic, clove, pepper, oregano, basil. 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
Chicken	100g cooked	165
Olive Oil	1 tbsp (14g)	119
Onion	1 medium (110g)	44
Plum	1 medium (66g)	30
Tomato	1 medium (123g)	22
Cucumber	1/2 cup sliced (52g)	16
Mushroom	1/2 cup sliced (35g)	15
Chili	1 tsp (2.7g)	8
Black Pepper	1 tsp ground (2.3g)	6
Oregano	1 tsp dried (1.8g)	5
Garlic	1 clove (3g)	4
Basil	5 leaves fresh (2.5g)	1
Salt	1 tsp (6g)	0

Chicken Simmered with Zucchini, Tomatoes and Mushrooms