Korean Crispy Scallion Pancakes

Name: Crispy Korean Scallion Pancakes
Prep time: 15 min
Cook time: 10 min
Total time: 25 min
Ingredients: 1/3 cup all-purpose flour; 1/3 cup potato starch; 1/4 tsp salt; 1/2 tsp baking powder; 1 tsp miso paste; 1 tsp soy sauce; 2/3 cup cold soda water or ice water; 2 scallions, cut into 2-inch-long sections; 2 tbsp soy sauce; 1 tbsp white vinegar; 1 tbsp sugar; 2 tbsp white chopped onion; 1 to 2 red chili peppers, chopped