2 (16 ounce) bags of any frozen fruit
1 (18.25 ounce) box yellow cake mix
1 (12 ounce) can diet Sprite or diet 7-Up
Place both bags of frozen fruit into a 13 x 9-inch baking dish (do not thaw). Sprinkle DRY cake mix over the top of frozen fruit. Pour entire can of diet Sprite or diet 7-UP over mixture. Cover with foil and bake 20 minutes at 350 degrees F. Uncover and bake an additional 40 minutes.