Lightened Onion Soup with Fresh Cheese Croutons

Ingredients

• Soup

  • 4 cups (1 litre) thinly sliced yellow onions
  • 4 cups (1 litre) thinly sliced Vidalia sweet onions
  • 2 tablespoons (30 ml) olive oil
  • 1/2 cup (125 ml) sherry
  • 3 cups (750 ml) chicken broth
  • 2 cups (500 ml) beef broth
  • 2 sprigs fresh thyme
  • 1 tablespoon (15 ml) Worcestershire sauce
  • 1 tablespoon (15 ml) Balsamic vinegar
  • Salt and pepper

• 
Croutons

  • 4 slices country bread loaf, toasted
  • 1/2 cup (125 ml) fresh Damablanc cheese or plain Greek yogurt
  • 1/4 cup (60 ml) grated Gruyère cheese
  • 2 cups (500 ml) baby arugula