Roasted Zucchini Mushrooms and Onions

Elevate your veggie game with this roasted zucchini, mushrooms, and onions recipe that’s bursting with flavor and vibrant simplicity. Perfectly seasoned with garlic, dried thyme, and oregano, this oven-roasted medley showcases tender zucchini half-moons, earthy cremini mushrooms, and caramelized wedges of red onion for a side dish that’s both rustic and refined. With just 15 minutes of prep and a quick 25 minutes in the oven, this recipe is as easy as it is delicious. A drizzle of olive oil ensures the vegetables achieve a golden, slightly crisp edge, while a sprinkle of fresh parsley adds a pop of herbaceous freshness to finish. Ideal for pairing with your favorite roasted meats, grain bowls, or hearty pastas, this dish is a versatile, healthy addition to any meal.

Nutriscore Rating: 65/100

Prep Time:15 mins

Cook Time:25 mins

Total Time:40 mins

Servings: 4

Ingredients

• 2 medium zucchini
• 200 grams cremini mushrooms
• 1 large red onion
• 3 tablespoons olive oil
• 3 cloves garlic
• 1 teaspoon dried thyme
• 1 teaspoon dried oregano
• 1 teaspoon salt
• 0.5 teaspoons black pepper
• 1 tablespoon fresh parsley

Directions

Step 1

Preheat your oven to 425°F (220°C).

Step 2

Wash and slice the zucchini into half-inch thick rounds, then cut each round into half-moons.

Step 3

Clean the mushrooms with a damp paper towel and slice them in half (or quarters if large).

Step 4

Peel the red onion and slice it into thin wedges.

Step 5

Mince the garlic cloves finely.

Step 6

In a large bowl, combine the zucchini, mushrooms, onion, and garlic.

Step 7

Drizzle the olive oil over the vegetables and add the dried thyme, dried oregano, salt, and black pepper.

Step 8

Toss the vegetables until they are evenly coated with the oil and seasoning.

Step 9

Spread the vegetables in a single layer on a large baking sheet lined with parchment paper for easier cleanup.

Step 10

Roast in the preheated oven for 20-25 minutes, stirring halfway through, until the vegetables are tender and slightly caramelized around the edges.

Step 11

Remove from the oven and sprinkle with freshly chopped parsley before serving.

Step 12

Serve warm as a side dish or as a topping for grain bowls, pasta, or salads.

Nutrition Facts

Serving size	(805.4g)

Amount per serving	% Daily Value*
Calories	640.7

Total Fat 44.2g	0%
Saturated Fat 6.9g	0%
Polyunsaturated Fat 4.3g
Cholesterol 0mg	0%
Sodium 6109.5mg	0%
Total Carbohydrate 54.4g	0%
Dietary Fiber 8.9g	0%
Total Sugars 37.7g
Protein 11.6g	0%

Vitamin D 14IU	0%
Calcium 174.7mg	0%
Iron 4.1mg	0%
Potassium 2066.7mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 60.1%

Protein: 7.0%

Carbs: 32.9%