Combine ingredients for the Honey-Dijon Vinaigrette in a jar or bowl then shake or whisk to combine. Taste then add up to an additional 1/2 Tablespoon honey if desired - remember that the sweet corn and apple will add natural sweetness to the salad. Set dressing aside.
Cut and chop all ingredients. Combine them in a large bowl then drizzle over desired amount of Honey-Dijon Vinaigrette and stir to combine. Serve immediately.