Transfer into a bowl big enough for mixing. Combine all spices in a small bowl and mix well. Add into bowl with chicken, add olive oil and mix well until spices are will incorporated. Let marinate for about 30 minutes
Heat cast iron skillet , drizzle olive oil enough to just coat the pan. Grill chicken on each side until thoroughly cooked. (Depends on size ). Chop and serve with fresh onions and dry pepper.