Ingredients:

2 lb frozen peaches
1 box yellow cake mix
1 can(s) diet 7up or sprite

Directions:

1 – Spread frozen peaches in Pam sprayed 13×9 pan.
2 – Sprinkle dry cake mix over peaches.
3 – Pour 7up over cake mix.
4 – Cover with foil and bake for 20 minutes at 350 degrees.
5 – Uncover and bake for 40 minutes.
6 – ENJOY!

From: http://easyrecipesly.com/weight-watchers-peach-cobbler/
https://en.wikipedia.org/wiki/Cobbler_(food)