9 cups seeded, cubed watermelon
1 cup light rum
1/4 cup fresh lime juice
1/4 cup sugar
1 (10-ounce) can nonalcoholic frozen strawberry daiquiri mix, thawed
Freeze half the watermelon. Blend remaining watermelon with remaining ingredients until smooth. Pour half into a pitcher; add frozen melon to blender. Blend; stir into pitcher.