7Up Berry Cake

shared by Patty H.  (this was served as dessert at a meeting I attended; had to come home and make it; serve it with a scoop of vanilla ice cream, of course)

Ingredients:
1   (18 oz.) box white cake mix
24 ounces frozen berry mixture
2 cups 7-Up

Directions:

1. Put fruit in a sprayed 9x13 baking pan and cover with dry cake mix (DO NOT STIR!)
2. Pour 7-Up over whole pan (again, do not stir)
3. Cover and bake for 20 minutes at 350 degrees
4. Uncover and bake for another 20-30 minutes
5. Makes 12 servings
6. NOTE:  Can also be cut in half; use 9x9 pan and a box of Jiffy cake mix and one cup of 7-Up