Watermelon Rum Slushes - cooking recipe

Ingredients

4 lbs seedless watermelon, frozen firm in 1/2 inch chunks
3/4 cup white grape juice
1 cup white rum
1/3 cup fresh lemon juice
white sugar

Preparation

In a blender pour in 1/2 each of the grape juice, rum and lemon juice.
Turn on blender and begin to add 1/2 of the frozen watermelon, chunk by chunk.
Taste and add sugar if needed.
Pour into 3 tall glasses and repeat.