Rolled crab and chicken

Ingredients(serves 3) ≪Inside≫ Canned crab chunks                  70g Minced chicken                          100g Ginger juice                                1/4tsp Sugar                                           1tsp Salt                                              1/3tsp Leek                                           1tbsp Potato flour                                 1tsp Egg                                             1tbsp ≪Outside≫…