I make the hummus in my Thermomix and I do recommend using a good and powerful kitchen machine to get a really nice creamy consistency. (whereismyspoon.co)
You can get a nice creamy consistency with both, but the flavor will be a bit different. (connoisseurusveg.com)
I then blend it all together until it reaches a nice creamy consistency (you can add broth as you go along). (helpwevegotkids.com)