Tuna Salad is a protein-packed salad that is popular in Guangzhou. It is made with canned tuna, mixed greens, cherry tomatoes, cucumbers, and hard-boiled eggs. The salad is dressed with a tangy vinaigrette made from olive oil, lemon juice, and Dijon mustard. Tuna Salad is a filling and satisfying option for those looking for a quick and easy meal.