Baked Penne with Roasted Vegetables

Name: Baked Penne with Roasted Vegetables
Prep time: 10 min
Cook time: 56 min
Total time: 1 h 6 min
Cuisine: European, Italian, Mediterranean
Ingredients: 2 red bell peppers (cored, seeded, and cut into 1-inch strips); 2 zucchini (quartered lengthwise and cut into 1-inch pieces); 2 summer squash (quartered lengthwise and cut into 1-inch pieces); 4 cremini mushrooms (quartered); 1 yellow onion (peeled and sliced into 1-inch strips); 1/4 cup extra-virgin olive oil; 1 teaspoon salt; 1/2 teaspoon freshly ground black pepper; 1 tablespoon dried Italian herb blend or herbes de Provence; 1 pound penne pasta; 3 cups marinara sauce; 1 cup grated fontina cheese; 1/2 cup grated smoked mozzarella; 1/4 cup grated Parmesan (plus 1/3 cup for topping); 1 1/2 cups frozen peas (thawed); 2 tablespoons unsalted butter (cut into small pieces)