Roasted Vegetable Meatloaf with Mustard Mashed Potatoes

Name: Roasted Vegetable Meatloaf with Mustard Mashed Potatoes
Ingredients: 3 small zucchini, diced; 3 red bell peppers, diced; 2 medium-size red onions, diced; 2 tablespoons olive oil; 2 tablespoons chopped fresh rosemary, divided; 2 pounds ground beef chuck (20% fat); 2 cups coarsely grated whole-milk mozzarella cheese (about 8 ounces); 1 1/2 cups panko (Japanese breadcrumbs); 1 cup thinly sliced fresh basil; 1 tablespoon chopped fresh marjoram; 1 1/2 teaspoons salt; 1 /2 teaspoon ground black pepper; 1 /2 teaspoon dried crushed red pepper; 1 cup ketchup, divided; 2 large eggs; 1 /4 cup dry red wine; Mustard Mashed Potatoes (click for recipe)