In a large bowl, toss the kale with the apple, bacon, walnuts, and chicken breast.
Step
In a container with a lid, combine the balsamic and poppyseed dressing. Shake until well combined. Pour half the salad dressing over the greens and use tongs to toss it until everything is well coated. Add additional dressing, a little bit at a time, to taste. Sprinkle the salad with salt and pepper and toss one more time to combine.