Cream of Celery Soup with Walnuts and Blue Cheese

Ingredients

• • 1 leek, white part only, chopped
  • 2 tbsp (30 ml) olive oil
  • 10 celery stalks, chopped
  • 1 apple, peeled, seeded and chopped
  • ¼ cup (60 ml) white wine or chicken broth
  • 4 cups (1 litre) chicken broth
  • 1/4 cup (50 g) long grain rice
  • 1 cup (30 g) spinach, trimmed
  • 1/2 cup (125 ml) sour cream or 15% cooking cream
  • 1/4 cup (30 g) blue cheese (Bleu Bénédictin, or your choice), crumbled (optional)
  • 1/4 cup (25 g) walnuts, finely chopped