1/2 lb. ground pork
1 c. finely chopped cabbage
2 green onions, finely chopped
2 cloves garlic, minced
1/2 T. minced ginger
1-1/2 T. rice vinegar
1/2 T. oyster sauce
1/2 tsp. cornstarch, plus more for dusting pan
1/8 tsp. black pepper
1 12-oz. package round potsticker wrappers (35 to 40 wrappers), or square wonton wrappers
2 T. peanut or vegetable oil
2/3 c. chicken broth
1/4 c. rice vinegar
1/4 c. soy sauce
2 tsp. honey
2 tsp. chili garlic sauce
2 tsp. sesame oil
1 green onion, minced
2 tsp. minced ginger