Preheat oven to 400 degrees F and line a baking sheet with foil
Toss vegetables with avocado oil and spices, then spread them evenly across pan. Bake for 15-18 minutes, or until vegetables start to soften
While vegetables are baking, prepare the walnut crusted chicken. First, combine the walnuts, rice, and spices together in a bowl. In a separate bowl whisk the egg.
One at a time, dip chicken in egg, then in walnut mixture.
Take the vegetables out of the oven and create space for the chicken. Add the chicken to the sheet pan and bake for another 15-20 minutes, or until chicken reaches internal temperature of 165 degrees F.