Pasta Waldorf

This is a different spin on waldorf salad - quick and wasy to make as well!

8 oz uncooked small shell pasta
2 red Delicious apples, unpeeled
1 rib celery
1/2 cup chopped pecans
1/2 cup raisins
1/3 cup nonfat lemon yogurt
1/3 cup mayonnaise

Cook pasta according to package directions; drain. Rinse in cold water; drain again. Meanwhile core and dice apples. Chop celery. Combine pasta, apples, celery, pecans, raisins, yogurt, and mayonnaise in large bowl. Toss gently until blended. Season to taste with salt. Cover and chill 15 minutes. Serve over leaves of your favorite variety of lettuce. Yield: 6 side-dish servings.