Carrot Soup

Ingredients

• 2 potatoes, peeled and chopped into cubes
• 3 cups light vegetable stock
• 2 tablespoons butter
• 1 small leek, chopped
• 6 large carrots, finely chopped
• 1 1/2 tablespoon fresh ginger, grated
• 2 teaspoons fresh thyme, chopped
• pinch of nutmeg
• salt and pepper to taste
• 1 stalk celery, chopped
• 1 cup water
• 2 1/2 cup milk
• 1 tablespoon yoghurt and chopped chives or parsley, to garnish