Add chicken to sheet pan (I like to line mine) and coat with oil and seasonings.
Add chickpeas to the same sheet pan and coat with oil and seasonings.
Roast chicken for 20-30 minutes, until a thermometer reads 165 degrees. Roast chickpeas for 30-35 minutes, until crisp.
Add all dressing ingredients to a food processor or blender and blend until smooth.
Shred chicken using a fork or a hand mixer.
Add chicken, chickpeas and the rest of the salad ingredients to a bowl and toss together with dressing. Taste and add additional salt or pepper if needed. Divide out, top with optional additional parmesan and serve.
Notes
This makes 3-4 serving sof salad depending on how hungry you are.