Which of the following ingredients is included in a Cobb salad?

A Cobb salad is a classic dish that traditionally features a variety of ingredients, and one of the key components is bacon. This ingredient adds a savory and salty flavor that complements the other salad elements, such as chicken, eggs, tomatoes, avocado, and blue cheese. The inclusion of bacon is characteristic of a Cobb salad, making it a defining ingredient that contributes to its overall taste and texture.

While croutons, ranch dressing, and olives may be found in other types of salads, they do not form a traditional part of a classic Cobb salad. The defining ingredients of a Cobb salad are focused on proteins and fresh vegetables, and bacon prominently fits within that framework.