Name: Roasted Mushrooms, Potatoes and Green Beans
Yield: Serves 4.
Ingredients: 8 to 10 white mushrooms, about 1/4 lb. total, brushed clean, stem ends trimmed and mushrooms cut in half through the stems; 2 Yukon Gold potatoes, about 1/2 lb. total, cut into 1-inch pieces; 1 yellow onion, cut into wedges 1/2 inch thick; 1 Tbs. extra-virgin olive oil; 1/4 lb. green beans, trimmed and cut into 1-inch lengths; 1/4 tsp. kosher salt; Freshly ground pepper, to taste; 2 Tbs. grated Parmigiano-Reggiano cheese; 1 Tbs. chopped fresh thyme

Why it works: Potato and onion are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Roasted Mushrooms, Potatoes and Green Beans

Serves 4.

Ingredients

8 to 10 white mushrooms, about 1/4 lb. total, brushed clean, stem ends trimmed and mushrooms cut in half through the stems
2 Yukon Gold potatoes, about 1/2 lb. total, cut into 1-inch pieces
1 yellow onion, cut into wedges 1/2 inch thick
1 Tbs. extra-virgin olive oil
1/4 lb. green beans, trimmed and cut into 1-inch lengths
1/4 tsp. kosher salt
Freshly ground pepper, to taste
2 Tbs. grated Parmigiano-Reggiano cheese
1 Tbs. chopped fresh thyme

Directions

Step-by-step directions aren't available for this recipe. See the full recipe at the source →

Nutrition, whole recipe (rough)

493Calories

16 gProtein

24 gFat

58 gCarbs

What these numbers assume: 9 portions

Ingredient	Portion assumed	kcal
Potato	1 medium (173g) baked	161
Olive Oil	1 tbsp (14g)	119
Cheese	1 oz (28g) cheddar	113
Onion	1 medium (110g)	44
Bell Pepper	1 medium (119g)	31
Mushroom	1/2 cup sliced (35g)	15
Black Pepper	1 tsp ground (2.3g)	6
Thyme	1 tsp dried (1.4g)	4
Salt	1 tsp (6g)	0

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

By williamssonoma. Recipe from Open Recipes.

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.

Potato + oniontop 3% of all pairs

Smell alikemoderate

Cooked together9,023 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Pepper + thymetop 4% of all pairs

Smell alikemoderate

Cooked together11,585 recipes

Shared aroma: beta-phellandrene (minty, terpene).
Olive + thymetop 4% of all pairs

Smell alikestrong

Cooked together4,948 recipes

Shared aroma: methyl 2-methylbutyrate (apple, fatty).
Mushroom + thymetop 5% of all pairs

Smell alikemoderate

Cooked together2,557 recipes

Shared aroma: 1-octen-3-one (mushroom, metallic).
Potato + thymetop 5% of all pairs

Smell alikemoderate

Cooked together1,586 recipes

Shared aroma: 1-octen-3-one (mushroom, metallic).

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

Swap the green beans

How well each one fits the dish's main ingredients (mushroom, potato, onion, olive, pepper, cheese, thyme):

Tomatofits better
Capsicumfits better
Spinachfits better
Green beansthe original

Fit is the average pairing score against mushroom, potato, onion, olive, pepper, cheese, thyme. Candidates are from the same food group and used in at least 100 recipes.

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