Whisk together the eggs, soy sauce, oil and salt. Combine the flour and cornflour, whisk into the egg mixture. Stir in the cabbage and spring onions.
Combine the mayonnaise with the soy sauce, Sriracha sauce and ginger.
Heat the oil in a frying pan. Pour as much batter into the pan as it takes to make pancakes of approx. 8 cm in diameter. Fry the pancakes for approx. 3 mins. on each side until crispy, keep warm. Serve with the sauce.