My Watermelon Slushy - cooking recipe

Ingredients

4 cups watermelon, frozen
1 cup lemon- lime-flavored seltzer water
2 tablespoons Splenda sugar substitute
1/2 lemon

Preparation

In a blender put the seltzer.
Squeeze the juice from half a lemon on top of the seltzer. Add the splenda and then the watermelon.
Blend until slushy.
Depending on your blender, you may need a tad more seltzer.