Reviews highlight Granny's Thunder Tea as a popular, healthy spot offering traditional Lei Cha rice with fresh ingredients, varied options including brown rice, and friendly service. Customers appreciate the authentic flavors and generous portions, though some find the soup bland or portions small. A few reported food safety concerns, leading to some food poisoning incidents. Overall, the restaurant is valued for its delicious, health-conscious dishes and warm atmosphere, making it a favorite among local patrons.