In a small bowl mix together all of the dry seasonings and once it is combined take 2 tablespoons and add it to a large bowl, reserve the rest of the rub. Next, place in all the chicken and oil and coat completely until covered on all sides with oil and seasonings.
Place the chicken on a hot grill (400°) and cook on all sides until the chicken is done, about 15 to 20 minutes. Once cooked, remove from the heat and set aside.
In a large saute pan with olive oil on high heat, add in all of the hash ingredients and saute for 4 to 6 minutes or until everything starts to become caramelized. Once brown finish in the oven on 400° for 6 to 8 minutes or until everything is cooked.