In Tianjin, breakfast is serious business. And nothing embodies this better than jianbing guozi (煎饼果子) – a savoury crepe that has become the city’s most iconic morning meal. Often described as the “fourth treasure” of Tianjin’s culinary scene, after the famous Goubuli buns, Guifaxiang dough twists, and Erduoyan fried cakes, this humble street-food crepe…