I like mine a LOT better when made with pinto beans.
This is from Raising Vegetarian Children
2 c. cooked pinto beans, drained
2 tbs. tahini
2 tbs. balsalmic vinegar
1/4 to 1/2 tsp bottled hot sauce
1/4 tsp ground cumin
salt
2 to 4 tbs. sliced scallions
Combine beans, tahini, vinegar, hot sauce, cumin and salt to taste in a food processor. Blend into a smooth paste. Pulse in scallions until finely chopped and evenly distributed.
(I used chili powder instead of hot sauce, and white vinegar since I didn't have the other stuff, and it turned out very YUMMY)