Potato and Broccoli Soup

Ingredients

• • 2 cups (500 ml) thinly sliced leek, without the tougher green stalks (about 1 leek)
  • 2 stalks celery, thinly sliced
  • 1/4 cup (60 ml) butter
  • 2 cloves garlic, finely chopped
  • 2 tablespoons (30 ml) all-purpose flour
  • 5 cups (1.25 litre) chicken broth
  • 4 cups (1 litre) red potatoes, unpeeled, washed and cut into pieces
  • 4 cups (1 litre) broccoli florets
  • 6 slices ham, thinly sliced
  • 1 cup (250 ml) orange cheddar cheese, grated
  • 6 tablespoons (90 ml) sour cream
  • 2 tablespoons (30 ml) chopped chives
  • Salt and pepper