1Heat oven to 350ºF. Cut 1/2-inch slice off top of garlic bulb. Drizzle oil over garlic bulb. Wrap garlic in foil. Bake 50 to 60 minutes or until garlic is soft when pierced with a knife; cool slightly.
2Squeeze garlic into food processor. Add beans, reserved bean liquid, lemon juice and salt. Cover and process until uniform consistency.
3Spoon dip into serving dish. Sprinkle with parsley. Serve with pita bread wedges.