A refreshing Waldorf salad made with crisp apples, crunchy celery, sweet grapes, and walnuts, all tossed in a creamy dressing. This salad is a perfect balance of sweet and savory flavors, with the crispness of the apples, the crunch of the celery, and the nuttiness of the walnuts. It's a great option for a light and refreshing meal or as a side dish with grilled chicken or fish.