Chang says that he and his wife make frequent trips to popular snack shops to try out their specialties and to night markets to "hunt for hidden treasures." Returning to their own kitchen, they try to recreate the recipes.
張次郎表示，平時夫妻倆時常到各家小吃名店品嚐美味，或到夜市挖寶，再自行研發小吃的做法。