Champagne Punch

Directions

1. 1
   Drip the angostura bitters onto the sugar cubes in a zipper bag.
2. 2
   At least 30 minutes before serving time, add the brandy to the sugar cubes and mash the bag until the sugar is dissolved.
3. 3
   Store the bag in the refrigerator until serving time.
4. 4
   This may be done much earlier, if desired.
5. 5
   At serving time, add Champagne, wine, and brandy mixture to a chilled, 2-quart pitcher.
6. 6
   Garnish with orange slices.