Juicy Parm Burgers & Smoky Sweet Potato Fries

Ingredients

• 4 medium sweet potatoes (2 pounds), cut into 8 wedges each
• 3 tablespoons vegetable oil
• 1 teaspoon kosher salt
• ½ teaspoon smoked paprika
• ½ teaspoon freshly ground black pepper
• ½ cup mayonnaise
• 2 tablespoons Sriracha
• 1 tablespoon sweet pickle relish
• 1 ¼ pounds 80/20 ground beef (or even fattier, if that's how you like it)
• 1 small carrot, peeled and finely grated
• 1 cup finely grated Parmigiano Reggiano cheese
• 1/2 teaspoon freshly ground black pepper
• 1 tablespoon canola oil
• 4 thick slices sharp cheddar cheese
• 8 large iceberg lettuce leaves
• Red onion and tomato slices for serving