It is a bit of a headache BUT it makes the biggest difference in taste... quite unbelievable! (deliciouslyella.com)
This is an easy tip and makes a big difference in taste - in a medium pan over low heat, heat up the canned pumpkin puree, spices, and salt. (allrecipes.com)
I cooked my own chickpeas but I am sure you could make this with canned chickpeas as well, I could not tell you if it would make a big difference in taste, as I have never made this particular hummus with canned chickpeas. (whereismyspoon.co)