Fancy Chickpea Salad - Jazzy Vegetarian - Vegan and Delicious!

Ingredients

• 1 can (about 15 ounces) chickpeas (garbanzo beans), drained and rinsed
• 1 cup minced celery with leaves (about 2 medium celery stalks)
• 1½ to 2 tablespoons chopped fresh flat-leaf parsley
• 1/8 teaspoon salt
• 1/8 teaspoon cayenne pepper
• 1 tablespoon capers, drained, rinsed, and minced
• 1/2 cup chopped walnuts (optional)
• 3 to 4 tablespoons vegan mayonnaise or plain vegan yogurt, plus more as needed