When I made Hummus the Tahini was the first step, like this.
http://middleeasterncuisine.suite101.com/article.cfm/home_made_tahini
So there you are with a mess in your food processor, just carry on adding the chick peas, roasted garlic (it takes longer than the sesame seeds so start that way early) more oil, whatever else you want like peppers, lemon, spice.....
Why clean the food processor twice?
http://middleeasterncuisine.suite101.com/article.cfm/home_made_tahini
So there you are with a mess in your food processor, just carry on adding the chick peas, roasted garlic (it takes longer than the sesame seeds so start that way early) more oil, whatever else you want like peppers, lemon, spice.....
Why clean the food processor twice?