- Preheat oven to 430 (220C). Place sweet potato chunks, olive oil, salt and pepper onto baking tray and give a good toss. 
- Roast for 25-30 minutes or until tender, stirring halfway through. Set aside to cool down. 
- Place all ingredients (except for extras and topping) into food processor and blitz until smooth. You may have to scrape down the sides a few times to ensure that it all mixes together. 
- Serve with extra olive oil, paprika and seedy topping.