Preheat oven to 200 degrees.
Wash the sweet potato well. Chop them up onto pieces.
Brush olive oil on a baking tray and spread out the sweet potato. Bake for around 1 hour or till the sweet potatoes are done.
When cool enough to handle, peel off the skin and mash up till smooth. Allow to cool completely.
Once cool, add in the remaining ingredients and whisk very well till combined.
Serve topped with olive oil with khubz and roast chicken.