There are many delicious restaurants in Tongzhou, among which I think the more well-known and delicious are:

Sihai Lou: Sihai Lou is a century-old restaurant in Tongzhou, which focuses on Nantong Morning Tea, with crab meat buns as the signature dish, and buckwheat egg pancakes and tofu brains are also very popular. The taste is rich and fresh, with fillings full of crabmeat and crab yolk and a rich soup.

Fumao Taki Bullfrog Hot Pot and Roasted Chicken: Fumao Taki Bullfrog Hot Pot and Roasted Chicken is a chain restaurant in Nantong that specializes in bullfrog hot pot and roasted chicken, with the main store located in the Tongzhou district and a number of other branches in Nantong, making it cost-effective and popular. The signature food is bullfrog hot pot, and every time you must order the bullfrog chicken wing pot and bullfrog chicken claw pot, the bullfrog is crispy and tender, the chicken wings are fresh and flavorful, and the chicken claws are soft and sticky.

Super Show Bullfrog Hot Pot Roasted Chicken Kung Fu: Super Show Bullfrog Hot Pot Roasted Chicken Kung Fu is a popular restaurant in Nantong that specializes in Chongqing Jianghu Cuisine, created in 2017, with its head office located in Pioneer, Tongzhou District, with a pot of roasted chicken kung fu many times on the top of the popularity list of food in Tongzhou. Signature roast chicken kung is the store's star of the show, unique Chongqing craftsmanship, strict cooking techniques, authentic Chongqing flavor, chicken is firm and elastic, charred and smooth, full of fat wrapped in chicken, melt in your mouth, spicy and fresh.

Pinshang Douluo: Pinshang Douluo also has a branch in Tongzhou.

Tongzhou Jiangnan Danyuan: Tongzhou Jiangnan Danyuan is a restaurant focusing on Jiangnan cuisine, with an elegant environment, unique flavors of dishes and good service.

Huangjia Soup Cuisine: Huangjia Soup Cuisine is a restaurant mainly focusing on health soups, with rich soup flavor and fresh ingredients, it is a more famous health restaurant in Tongzhou area.

Frog Wow - Charcoal Broiled Bullfrog: Frog Wow - Charcoal Broiled Bullfrog is a bullfrog-based restaurant, bullfrog meat is tender, spicy and delicious, is one of the more popular bullfrog restaurants in Tongzhou.

Fuwangji Casserole Congee: Fuwangji Casserole Congee is a Chaozhou-based casserole congee restaurant, casserole congee is delicate, rich in ingredients, and is one of the more famous casserole congee restaurants in Tongzhou.

Tongzhou Roasted Duck Restaurant: Tongzhou Roasted Duck Restaurant is a restaurant that specializes in roasted duck, which is crispy and tender, and is one of the more famous roasted duck restaurants in the Tongzhou area.

Da Dong Roast Duck Restaurant: Da Dong Roast Duck Restaurant is a duck-oriented restaurant with crispy roast duck and tender meat, which is one of the more famous roast duck restaurants in Tongzhou outside of Tong Si Hai Lou.

The specific choice also depends on personal taste and preference.