waldorf salad recipe

Let's make a classic Waldorf salad: Ingredients: 2 cups chopped apples (such as Granny Smith or Honeycrisp) 1 cup thinly sliced celery 1 cup seedless grapes, halved 1/2 cup chopped walnuts or pecans, toasted 1/2 cup mayonnaise or Greek yogurt 1 tablespoon lemon juice Salt and pepper to taste Fresh lettuce leaves, for serving