Something extremely easy to make:
=D

Apples, Fruits, Salad, Walnuts
Yield: 8 servings

Ingredients

Amount Ingredient Preparation
2 cups apples cubed
1 cup grapes, seedless halved
1/2 cup celery chopped
1/4 cup walnuts chopped
1 teaspoon lemon juice
1/3 cup sour cream (not compulsory)
1/3 cup yogurt, plain

Directions
In large bowl, combine apples, grapes, celery, walnuts and lemon juice. Mix yogurt and sour cream. Mix lightly into fruit mix.

Refrigerate and then serve.