Puree or blend all the marinade ingredients together (ginger, garlic, onion, pepper, palm oil, lemon juice and salt). Wash the chicken and pat dry. Pour the marinade over the chicken and marinate for at least an hour or overnight.
Heat up the grill, (no need to oil or grease the grill since the marinade has oil). Arrange the chicken on the grill and grill on both sides till cooked through. Serve with any dish of choice.