From: Jenn@eatcakefordinner
1 (15.25 oz.) yellow cake mix
1 (12 oz.) can Diet Mountain Dew, room temperature
1 (8 oz.) container light whipped topping, thawed
16 oz. strawberries, hulled and chopped
Preheat oven to 350 degrees. Grease a 9x13-inch cake pan; set aside. In a large bowl, combine the cake mix and can of soda. The soda will foam up a bit. Whisk together until just combined. Do not overmix. Pour into cake pan and spread out evenly. Bake for 30 minutes or until top springs back when lightly touched and a toothpick inserted in the center comes out clean. Cool completely. Serve with whipped topping and chopped strawberries.
Jenn's Notes: The cake is so soft and it cuts cleanest when using a serrated knife. Regular soda can be substituted for diet or a different flavor can be substituted for Mountain Dew. I have also tried this cake with vanilla frosting and the whipped topping is a much better option for this light cake.