Diabetic caramel apple salad


3 large apples- Cored and diced
1/2 cup Walnuts
1/2 cup Raisins
1 cup Chopped celery
1 package -small one -- sugar free Butterscotch puddding
2 cups Non-fat plain yogurt

Mix cored & diced apples, raisins, celery and walnuts well. Mix butterscotch pudding and plain yogurt well. Mix pudding mixture with apple mixture well and refrigerate for at least an hour before serving.