1 pkg. (4 serving size) jell-o pistachio flavor sugar free fat free instant pudding
1 - 8 oz. can crushed pineapple in juice, undrained
1 - cup vanilla fat free yogurt
2 cups thawed fat free cool whip
1/4 cup chopped pecans
2 cups mini marshmallows
Mix pudding, pineapple, and yogurt in bowl until well blended. Gently stir in cool whip. Add marshmallows and pecans and mix.
Refrigerate 1 hour. Serve with additional whipped topping.