Tiantai is a county in Taizhou City, Zhejiang Province, China, which is rich in food culture. The following are some popular foods in Tiantai:

1. Dumpling cake tube: Dumpling cake tube is one of the traditional snacks in Tiantai. It is a hollow cake made of flour, which is usually used for stuffing, such as minced meat, bean curd skin and chopped green onion.

2. Egg cake: Egg cake is one of the common snacks on the rooftop. It is a kind of pancake made of flour and eggs, usually with minced meat, tofu skin, chopped green onion and other fillings.

3. Dried plum cake: Dried plum cake is one of the traditional snacks in Tiantai. It is a kind of pancake made of dried plum and flour, usually with minced meat, tofu skin, chopped green onion and other fillings.

4. Sugar-baked: Sugar-baked is one of the traditional snacks in Tiantai. It is a kind of sesame cake made of flour and sugar, with a layer of brown sugar on the surface, which is sweet but not greasy.

5. Three-in-one oil bubble: Three-in-one oil bubble is one of the traditional snacks in Tiantai. It is a kind of puffs made of flour and oil, usually with fillings such as bean paste and sesame seeds.

The above are some popular foods on the rooftop for your reference.