Cream of Celery Soup with Walnuts and Blue Cheese

Ingredients

• • 1 leek, chopped
  • 2 tablespoons (30 ml) olive oil
  • 10 stalks celery, chopped
  • 1 apple, peeled, seeded and chopped
  • 1/4 cup (60 ml) white wine
  • 4 cups (1 litre) chicken broth
  • 1/4 cup (60 ml) long grain rice
  • 1 cup (250 ml) spinach, trimmed
  • 1/2 cup (125 ml) sour cream
  • Salt and pepper
  • 1/4 cup (60 ml) walnuts, finely chopped
  • 1/4 cup (60 ml) blue cheese (Bleu Benedictin, or your choice), crumbled (optional)