1. Mix altogether and knead till elastic dough form. 2. Leave to rise in double. 3 knead again and then shape into balls.4. Roll flat in long way, make a few cuts in the center, and then place 1 tbsp of red bean paste and roll up. Place in tray and leave to rise. brush with egg wash and sprinkle with sesame seeds5. Preheat oven to 250 C for 10 minutes or until top is golden .6, brush with butter while still hot and serve.