Gyoza (The Best Recipe!)

Name: Gyoza (The Best Recipe!)
Prep time: 20 min
Cook time: 10 min
Total time: 30 min
Cuisine: Asian, Chinese
Ingredients: 1 packet store-bought gyoza wrappers; oil, for pan-frying; water, for steaming; 8 oz. (226 g) ground pork; 2 oz. (56 g) cabbage, shredded and cut into small pieces; 1 thumb-sized ginger, peeled and grated; 1 clove garlic, peeled and grated; 1/2 tablespoon corn starch; 1 tablespoon soy sauce; 1/2 tablespoon sake; 3 dashes white pepper; 1/2 teaspoon sesame oil; 1 tablespoon chopped scallion, green part only; 1 pinch salt; 4 tablespoons Japanese Ponzu