Bat Grog 2 cups grape juice lime sherbet 2 cups lemon-lime soda lemon sherbet Mixing the Concoction: 1. Pour the grape juice into the mixing bowl. 2. Add 2 scoops of lime sherbet and 1 scoop of lemon sherbet to the bowl. 3. Add the lemon-lime soda to the bowl. Stir. 4. Divide between your four grog mugs. 5. Swill your bat grog!