Peel the green skin and seem out the seeds from the winter melon. Cut into 1 inch wide by 1-½ inch long by ⅓ inch thick. (The shape should be like a hot dog bun).
Mix the ground pork with the scallion and ginger juice, salt, wine, cornstarch, sesame oil, and black pepper. Stir it in one direction until the pork mixture is very sticky.