Waldorf Chicken Salad Bagel Sandwich

Ingredients

1/2 cup mayonnaise
2 tablespoons buttermilk
1/2 teaspoon salt
1/4 teaspoon ground black pepper
12 ounces cooked skinless chicken breast halves, cut into 1/2-inch cubes
1 cup seedless red grapes, halved
1 gala apple, cored and cut into 1/2-inch cubes
1 rib celery, chopped
2/3 cup walnut halves, coarsely choppped
2 tablespoons chopped chives
1 tablespoon chopped tarragon
4 sesame bagels, halved horizontally

Directions

1. To cook the chicken, bring 3 cups chicken broth to a simmer in a large skillet over medium heat. Add 3 boneless skinless chicken breast halves, 1 pound, and cook, turning once or twice, until a thermometer inserted into the thickest portion registers 165F, about 12-14 minutes. Transfer chicken to a plate and allow to cool before cutting.
2. Combine the mayonnaise, buttermilk, salt and pepper in a bowl. Combine the chicken, grapes, apple, celery, walnuts, chives and tarragon in a separate bowl. Add mayonnaise mixture to the chicken mixture and stir well to combine.
3. Toast the bagels. Place 4 bagel bottoms onto each of 4 plates and top each with 1/4 of the chicken mixture. Set bagel tops onto salad and serve.