Curried Butternut Soup

This a super simple but tasty soup, a case of minimum input and maximum output. 

1. In a medium sized pot fry onion in olive oil until golden.
2. Add potato, butternut and curry powder, stir and cook for a few minutes.
3. Add enough stock so that potato and butternut are covered.
4. Simmer for 30 minutes or until butternut is cooked.
5. Blend to desired consistency.