Cabbage, Potato and Kielbasa Soup

Ingredients

• • 1 lb (454 g) kielbasa, cut into 1/2-inch (1-cm) rounds, or other Eastern European-style smoked sausages (halved lengthwise if necessary)
  • 1 onion, chopped
  • 1 slice bacon, cut crosswise into small pieces
  • 1 tablespoon (15 ml) olive oil
  • 4 cups (1 litre) finely chopped green cabbage
  • 2 tablespoons (30 ml) cider vinegar
  • 2 tablespoons (30 ml) whole-grain mustard
  • 6 cups (1.5 litres) chicken broth
  • 2 cups (500 ml) cubed small new potatoes
  • Salt and pepper