This recipe is very easy and can always make it a bit more interesting by adding your favorite liquor.
Ingredients and directions:
*1 cup of ice
*1 cup of diced seedless watermelon
*1 and 1/2 tbsp of sugar or honey to taste
*Pinch of salt
*1 tbsp of fresh lime juice
*Blend until ice is finely crushes and pulse until fruit is pureed.

