What is one of the toppings included in the side salad?

One of the toppings included in the side salad is croutons. Croutons add a crunchy texture and enhance the flavor of the salad, making them a common and popular choice for salads across many menus. They are typically made from baked or fried bread, offering a contrast to the various vegetables in the salad. While other toppings like avocado, bacon, and parmesan cheese are often found in different types of salads, croutons are specifically listed as a topping for the side salad, making them the correct choice in this context.