In food processor or blender, place beans, water, parsley, walnuts, onion and garlic.
Cover; process until smooth.
Cut each pita bread in half to form 2 pockets; line with lettuce leaves.
Spoon 2 tablespoons bean spread into each pita half.
Add tomato, cucumber and dressing.
Notes / Tips / Wine Advice:
Nuts and seeds are great little nuggets of nutrients, but adding them in moderation is best because they can be high in fat. Fortunately, a little goes a long way in terms of flavor, and when nuts and seeds are lightly toasted, they become flavor giants!