01 - Whisk together all-purpose flour, rice flour, salt, egg, and cold water in a large bowl until smooth and lump-free.
02 - Gently fold scallions, carrots, onion, and any desired optional add-ins into the batter until evenly distributed.
03 - Heat 1 tablespoon vegetable oil in a large non-stick skillet over medium-high heat until shimmering.
04 - Pour one-quarter of the batter into the skillet, spreading evenly into a thin round. Cook 3–4 minutes until golden and crispy on bottom.
05 - Carefully flip pancake and cook 2–3 minutes longer until both sides are golden brown and crispy.
06 - Continue with remaining batter, adding more oil as needed between pancakes.
07 - Combine soy sauce, rice vinegar, sesame oil, sugar, chopped scallion, and chili flakes in a small bowl. Mix until sugar dissolves.
08 - Slice pancakes into wedges and serve immediately with dipping sauce on the side.