Cream of kumara soup with rosemary sourdough

Ingredients

• 1 tablespoon olive oil
• 2 (800g) medium kumara, chopped coarsely
• 1 (150g) medium brown onion, chopped coarsely
• 2 clove garlic, quartered
• 2 teaspoon fresh rosemary, coarsely chopped
• 1 teaspoon lemon rind, finely grated
• 2 cup (500ml) vegetable stock
• 2 cup (500ml) water
• 1 tablespoon lemon juice
• 125 millilitre (1/2 cup) cream
• 1 sourdough loaf
• 2 tablespoon olive oil
• 2 teaspoon fresh rosemary, finely chopped