01 - 
                Heat 2 tablespoons of salted butter in a large sauté pan over medium heat. Add sage leaves and fry for 1 minute until crisp, then transfer to a paper towel-lined plate.
              
              
              
                02 - 
                In the same pan, add sweet potatoes, water, heavy cream, and 1 1/2 teaspoons kosher salt. Cover and simmer for 20 minutes until potatoes are completely tender.
              
              
              
                03 - 
                Mash the cooked sweet potatoes with remaining 1 tablespoon salted butter and season with 1/4 teaspoon black pepper. Adjust salt to taste if needed.
              
              
              
                04 - 
                While potatoes cook, preheat oven to 230°C. Line a baking sheet with foil.
              
              
              
                05 - 
                In a large bowl, gently combine ground pork, panko, grated apple, chopped sage, garlic, salt, black pepper, allspice, and egg until just incorporated. Do not overmix to preserve tenderness.
              
              
              
                06 - 
                Shape mixture into 24 equal meatballs and arrange evenly on prepared baking sheet. Bake for 15–18 minutes until cooked through.
              
              
              
                07 - 
                Broil meatballs for 2 minutes to achieve a nicely browned top.
              
              
              
                08 - 
                Plate the mashed sweet potatoes, top with meatballs, and garnish with crispy sage leaves.