Lei Cha Lei Cha, or ground tea, is a traditional Hakka tea-based beverage. It is made of tea leaves, peanuts, rice, sesame seeds, beans, salt, orange peel - and sometimes herbs. Hakka people usually use a mortar and pestle to make Lei Cha. It is often served in Longyan along with dishes of nuts, bamboo shoots, mushrooms, meat, sesame seeds and fried rice. Hakka people often offer Lei Cha to their guests.