01 - Whisk together flour, eggs, water, salt, baking powder, and 1 tablespoon oil until smooth. Let rest for 10 minutes.
02 - Heat skillet over medium with oil. Add ground pork or chicken, ginger, and soy sauce. Cook, breaking up meat, until no longer pink, 3–4 minutes.
03 - Add grated carrot and napa cabbage. Stir-fry 2–3 minutes until softened. Stir in sesame oil, scallions, and pepper. Set aside.
04 - Wipe pan, lightly oil, and return to medium heat. Pour one-quarter batter, swirling to coat bottom into 7–8 inch circle.
05 - When bubbles form and edges set, about 2 minutes, spread one-quarter filling and drizzle beaten egg over half. Fold over, press gently, and cook 2 minutes per side until golden.
06 - Repeat with remaining batter and filling to make 4 stuffed pancakes.
07 - Combine soy sauce, rice vinegar, sesame oil, and chili flakes in small bowl.
08 - Serve pancakes hot, cut into halves or quarters, with dipping sauce alongside.