Tasty Watermelon Martinis

½ c. sugar
½ c. water
6 c. watermelon, seeds removed
2 T. fresh lemon juice
1 ¼ c. vodka
2 oz. melon liqueur, optional
8 lemon twists, for garnish

1. Bring sugar and water to a boil in small saucepan and cook until sugar is completely dissolved.
2. Let cool. This is basically a simple sugar.
3. In food processor, puree the watermelon.
4. Add a little of the sugar syrup to sweeten, to taste.
5. Pour the pureed watermelon into 2 empty ice cube trays and freeze for at least 4-6 hours.
6. In blender, combine frozen cubes, more simple syrup, to taste, lemon juice, vodka, melon liqueur and blend until smooth.
7. Pour into 8 frozen martini glasses and garnish with lemon twist.
*****Makes 8 servings.