Dump Cake - cooking recipe

Ingredients

1 (18 ounce) box white cake mix
12 ounces frozen raspberries
12 ounces frozen blueberries
2 cups diet 7-Up

Preparation

Put fruit in sprayed 9x13 baking pan and cover with dry cake mix (DO NOT STIR!).
Pour 7Up over whole pan (again, do not stir).
Cover and bake for 20 minutes at 350\u00b0F, then uncover and bake for another 20-30 minutes.
Makes 12 servings.
Can also be cut in half.
I used a 9x9 in pan and a box of Jiffy cake mix, small skinny blue and white box, and one cup of diet 7-up.