01 - In a large mixing bowl, roughly mash the drained chickpeas using a fork or potato masher, leaving some whole beans intact for a varied texture.
02 - Add the finely diced celery, halved grapes, red onion, walnuts or almonds, diced cucumber, and chopped parsley to the mashed chickpeas. Toss gently to combine.
03 - In a separate small bowl, whisk together the vegan mayonnaise, Dijon mustard, lemon juice, maple syrup, garlic powder, salt, and black pepper until smooth and well blended.
04 - Pour the prepared dressing over the chickpea and vegetable mixture, stirring thoroughly until all ingredients are evenly coated.
05 - Taste the salad and adjust salt, pepper, or lemon juice as desired to balance the flavors.
06 - Serve chilled on a bed of fresh greens, scooped into a sandwich, or rolled in a tortilla wrap.