This green salad with scallion mustard vinaigrette is a refreshing and flavorful dish. The salad is made with a mix of fresh greens, such as lettuce, spinach, and arugula, which provide a crisp and vibrant base. The scallion mustard vinaigrette adds a tangy and slightly spicy kick to the salad, with the combination of scallions, Dijon mustard, lemon juice, and olive oil. Topped with some crunchy croutons and shaved Parmesan cheese, this salad is perfect as a light lunch or a side dish for any meal.