Broccoli & Leek Soup - Really Healthy Foods

Ingredients

• Olive oil
• 1 leek, pale section only, halved lengthways, thinly sliced
• 2 garlic cloves, crushed
• 1 large sweet potato, peeled, finely chopped
• 1L (4 cups) water
• 1 vegetable stock cube, crumbled
• 600g broccoli, cut into florets
• 1/4 cup fresh parsley leaves
• 1/4 cup fresh basil leaves
• 75g (1/4 cup) grass fed sheeps yogurt (optional)