Preheat oven to 400 degrees. Line a baking sheet with aluminum foil.

In a small bowl whisk together olive oil, garlic and Italian seasoning. (let rest for 5-10 minutes to allow flavors to infuse into oil).

Place zucchini, squash and tomatoes in a large mixing bowl. Pour olive oil mixture over top and gently toss with hands to evenly coat.

Pour onto prepared baking dish and spread into an even layer.

Season with salt and pepper

Sprinkle Parmesan over top of each.

Roast in preheated over 25-30 minutes until veggies are tender and Parmesan is golden brown. Garnish with parsley if desired and serve warm.