Cream of Leek and Watercress Soup

Ingredients

• • The white of 1 large leek, thinly sliced
  • 2 cloves garlic, finely chopped
  • 2 tablespoons (30 ml) olive oil
  • 4 cups (1 litre) chicken broth
  • 1 cup (250 ml) whole milk
  • 2 cups (500 ml) potatoes, peeled and diced (about 2 potatoes)
  • 4 cups (1 litre) watercress (One 113 g bag)
  • Salt and pepper