Sheet Pan Dinner with Sausage and Vegetables

Ingredients (14)

• + cooking spray add to pantry
• + 4 tablespoons olive oil, divided add to pantry
• + 1 tablespoon chopped fresh rosemary add to pantry
• + 1 teaspoon kosher salt, or to taste, divided add to pantry
• + ½ teaspoon freshly ground black pepper, divided, or more to taste add to pantry
• + 1 (16 ounce) package red potatoes, cut into bite-sized chunks add to pantry
• + 1 tablespoon dried onion flakes add to pantry
• + 1 tablespoon smoked paprika add to pantry
• + 1 tablespoon dried parsley add to pantry
• + 1 tablespoon dried oregano add to pantry
• + 12 ounces fully cooked kielbasa or Polish sausage, cut into 1 1/2-inch pieces add to pantry
• + 1 (12 ounce) bag fresh green beans, trimmed add to pantry
• + 1 medium yellow bell pepper, cut into bite-sized strips add to pantry
• ✓ 1 medium onion, cut into bite-sized pieces