Roasted vegetable pie

Ingredients

• small cauliflower, cut into florets, about 4 cups
• small butternut squash, peeled and cut into 1-inch pieces
• medium parsnips, peeled and cut into 1/2-inch pieces
• baby carrots
• sweet red pepper, cut into 1-inch pieces
• tablespoons olive oil
• teaspoon salt
• teaspoon black pepper
• vegetable broth
• tablespoon cornstarch
• teaspoon dried thyme
• teaspoon dried oregano
• tablespoons plain bread crumbs
• package refrigerated rolled piecrusts
• tablespoons grated Parmesan cheese
• egg beaten with 1 tablespoon water