waldorf salad recipe

**Ingredients:** - 2 cups chopped apples (such as Granny Smith or Gala) - 1 cup red seedless grapes, halved - 1 cup celery, thinly sliced - 1/2 cup walnuts, toasted and chopped - 1/2 cup mayonnaise - 1/4 cup Greek yogurt - 1 tablespoon lemon juice - 1 tablespoon honey - Salt and pepper to taste - Fresh lettuce leaves, for serving