1 (16 ounce) package non-instant chocolate pudding mix
1 1/3 cups lowfat plain yogurt
1/2 cup unsalted butter
Preheat oven to 350 degrees F (175 degrees C).
In a medium bowl, beat the pudding until smooth and light.
In a medium bowl, whisk together the plain yogurt and butter. Fold the pudding mixture into the pudding mixture and pour into 9 inch cheese-lined glass bowl. Refrigerate, covered 1 hour. Preheat oven to 375 degrees F (190 degrees C).