Prepare the dressing by whisking all ingredients together in a medium bowl and set aside.
To prepare the apples, melt butter in large sauté pan over medium heat, add apples and cook for 5 minutes, turning occasionally. Drizzle honey over the apples and continue to cook and stir until slightly brown and caramelized. Place apples on a plate to cool.
To prepare the salad, toss greens with the dressing (may not require all dressing) then add apples, blue cheese, walnuts and serve immediately. Serves 4-6.