The nutrient content of selected South African lamb and mutton organ meats (offal)

•In correct portions, lamb and mutton organs are nutrient dense animal source foods.•Selected organ meats were “excellent sources of”, and “very high in” iron.•Selected organ meats were “high in” protein, zinc, iron and phosphorous.•Organs found to be very high in iron were mutton lungs, mutton spleen and lamb lungs.•The consumption of organ meats should encouraged in South African dietary guidelines.