Salt chicken pieces one day in advance if you have the time.
Take chicken out one to two hours in advance of baking.
I tend to leave the salt on the chicken. If you didn't do this step, salt chicken.
Place on bottom of pan. Drizzle olive oil over the pieces.
Drizzle olive oil over the chicken pieces.
Sprinkle za'atar over chicken generously.
Place lemon slices on top.
Add potatoes in between chicken pieces, making sure they also are covered with olive oil, salt and pepper.
Bake at 400 degrees for 45 minutes or until chicken has internal temperature of 165 degrees F.
Add in green beans in last 25 minutes. Toss with olive oil first.