Cobb Salad is a hearty salad that originated in the United States but has become popular in Hanoi. It is made with mixed greens, grilled chicken, bacon, hard-boiled eggs, avocado, tomatoes, and blue cheese. The salad is typically dressed with a vinaigrette made from red wine vinegar, Dijon mustard, and olive oil. Cobb Salad is a filling and delicious salad that is perfect for a main course.