Broccoli and Chickpea Parmesan

Name: Broccoli-and-Chickpea Parmesan
Ingredients: 1 head broccoli (12 ounces), trimmed; ¼ cup extra-virgin olive oil; Kosher salt and freshly ground pepper; ⅓ cup panko breadcrumbs; ⅓ cup finely grated Parmigiano-Reggiano (2 ounces); ¼ teaspoon garlic powder; ¼ teaspoon dried thyme; ¼ teaspoon dried oregano; 1 ½ cups marinara sauce; 3 ounces low-moisture mozzarella, such as Polly-O, thinly sliced; 1 can (15.5 ounces) chickpeas, drained and rinsed