Combine first 7 ingredients in a food processor; process until smooth. Transfer hummus to a serving bowl; cover and refrigerate up to 5 days before serving.
To serve, drizzle hummus with 1 Tbsp. olive oil, and sprinkle with parsley and toasted pine nuts. Serve with pita wedges.
*Tahini is a popular ingredient used in Middle Eastern cooking. It's a thick paste made from ground sesame seeds. Tahini can be found with the peanut butter or with organic foods at your grocer.