In a food processor, whirl garlic until finely chopped. Scrape down the inside of the bowl and add beans, oil, lemon zest, and lemon juice. Whirl until smooth and blended.
Transfer dip to a small bowl. Stir in oregano, then season to taste with salt and pepper. Serve with assorted fresh vegetables or pita bread.
Note: Nutritional analysis is per tablespoon.