Spicy Pork Dumplings

Name: Spicy Pork Dumplings
Ingredients: ½ cup low-sodium soy sauce; 1 tsp. Asian sesame oil; 1-1/2 tsp. granulated sugar; 1-1/2 tsp. unseasoned rice vinegar; 5 medium scallions, thinly sliced on a diagonal (about 1 cup); 1/2 cup vegetable oil; more for frying, as needed; 1 lb. ground pork; 1 Tbs. finely chopped fresh ginger (from a 1-inch piece); 2 Tbs. fish sauce; 2 tsp. finely chopped Thai bird chile (4 to 5 chiles); 2 Tbs. finely chopped fresh mint; 2 Tbs. finely chopped fresh cilantro; 30 to 35 round dumpling wrappers