Potjiekos has been part of South Africa's culture for many centuries - since the days when food was cooked in a black cast-iron potjie pot hanging from a chain over the kitchen fire. These cast-iron pots retained heat well and could be kept simmering over a few embers. Rounded, potbellied pots were used for cooking tender roasts and stews as they allowed steam to circulate instead of escape through the lid. What sets potjiekos apart...