Avocado-Chicken Salad Sandwiches

Ingredients

• 1 large avocado, peeled and pitted
• 1 tablespoon fresh lemon juice
• 2 teaspoons chopped fresh parsley
• ¼ teaspoon salt
• ¼ teaspoon ground black pepper
• 2 cups chopped skinless rotisserie chicken breast meat
• ½ halved red grapes
• ¼ cup chopped celery
• 8 slices thin-sliced 21 whole grains & seeds bread