Mix together all the ingredients for the coleslaw in a bowl, making sure everything is well coated. Season well to taste then put to one side.
With the barbecue ready to cook on, grill the sausages until cooked through, around eight to 12 minutes depending on size. You could also fry or grill the sausages.
Lightly toast the buns, then add a cooked sausage to each one before topping with the coleslaw and chopped coriander to serve.