洪阳镇是普宁旧时老城，也是广东有名的美食小镇，古厝德安里就在这里。错综复杂的小镇人口众多，分布着很多当地潮汕美食。小而特别的糖葱薄饼，老电影院旁边满满加料的卤水粿汁，炸到金黄的普宁豆干，还有蘸红糖吃的猪肠胀糯米。
Hongyang Town is the old town of Puning and a famous food town in Guangdong, where the ancient house Deanli is located. The intricate town has a large population and many local Chaoshan delicacies. The sugar and scallion pancake is small and special. The Guozhi next to the old cinema has a lot of ingredients. The Puning tofu is fried to a golden brown and crispy. The pig intestines with glutinous rice can be eaten with red syrup.