Place the seeded watermelon in a large freezer safe bowl. Cover and freeze the watermelon for about 30 minutes to 1 hour until mostly frozen but not hard.
Place half of frozen watermelon, half of powdered sugar, and half of concentrate in a blender, and process until smooth. Pour mixture into individual chilled glasses. Repeat procedure with remaining watermelon, powdered sugar, and concentrate. Enjoy in a chilled glass with a slice of lemon and a small wedge of watermelon as a garnish.
Instructions
Place the seeded watermelon in a large freezer safe bowl. Cover and freeze the watermelon for about 30 minutes to 1 hour until mostly frozen but not hard.
Place half of frozen watermelon, half of powdered sugar, and half of concentrate in a blender, and process until smooth. Pour mixture into individual chilled glasses. Repeat procedure with remaining watermelon, powdered sugar, and concentrate. Enjoy in a chilled glass with a slice of lemon and a small wedge of watermelon as a garnish.