This Starbucks creation, which cuts the fat, carbs, and calories of the original Frappuccino is a top-seller with coffee house regulars. Starbucks says their light version is 54% fewer calories per serving than the original Frappuccino. Sounds pretty good so I decided to tackle a skinny recipe to enjoy at home. My favorite is their caramel one. I’ve cut the fat and calories by using 1% milk, mostly Splenda or Stevia, and a little sugar. Adding just a small amount of sugar really adds to…