Wash and dry the apples thoroughly.
Core and slice the apples into thin wedges.
In a large mixing bowl, combine the salad greens.
Add the sliced apples to the bowl with the greens.
Chop the walnuts and sprinkle them over the salad.
Add crumbled feta cheese for added flavor.
In a small bowl, mix yogurt, honey, and lemon juice to create the dressing.
Pour the dressing over the salad mixture.
Toss the salad gently to coat everything evenly.
Season with salt and pepper to taste before serving.