all-purpose flour (about 250 grams), hot water, about 160°F (about 60 grams), room temperature water (about 20 grams), ground pork (about 300 grams), salt (about 2 grams), soy sauce (about 15 grams), White pepper powder and soy sauce, to taste, Chinese chives, finely chopped (about 200 grams), Minced ginger and chopped green onions, to taste, For pan-frying: 1/2 cup water (100 ml), 1 tablespoon flour (10 grams), 1 tablespoon oil