Heat the oil in the potjie. Sprinkle the chicken with salt and fry the it, a few pieces at a time, until golden brown. Add the herbs, spices and chutney. Arrange the carrots, potatoes and mushrooms in layers on top of the chicken. Dissolve the stock cube in the water and add it to the potjie. Replace the lid and simmer for approximately 1 hour and 20 minutes. Add water if the potjie becomes too dry.