Ok, so it sounds ridiculous (and a little gross) but I promise it completely works AND makes a really moist and delicious cake. Besides the fact that is a completely FOOL proof recipe (not to mention cheap, only 2 ingredients!) it doesn't even have half the fat of normal cake. BONUS!!!
But for those hardcore doubters out there, here is an illustrated step-by-step "recipe."
Step 1. Grab a can of diet coke (I am not sure if diet pepsi works but I AM sure that non-diet soda does NOT work) and a chocolate (or dark) cake mix. (If you are making a lighter cake -- like vanilla -- use diet sprite or another clear diet soda.)

Step 2. Mix 'em together...and watch the fun chemical reaction take place. (SCIENCE!!!)
Step 3. Bake as usual.
*Because the cake is slightly more crumbly than normal cake, its best not to attempt a layer cake.
**Also, baking time MAY be a little shorter. So watch closely!

Step 4. Frost, decorate and enjoy the yumminess.

So everyone (and by that I mean my aunt and Shannon), there you have it! Tasty treats that won't ruin your day or add to your waistline. Perfect for a time of year when full-fat delicious goodies are lurking around EVERY corner just waiting to pounce when you least expect it. :-)