Easy Watergate Salad

1 small box sugar free, fat free pistachio pudding 1 8oz can crushed pineapple in juices 1/2 cup mini marshmallows 1/4 cup chopped pecans 1 cup fat free cool whip, thawed Mix all ingredients together in a bowl and refrigerate for at least 1 hour before serving. Makes 4 servings approx 124 calories