1 orange, cut into wedges
1/4 cup sugar
2 cups cranberry juice
1 liter seltzer
4 ounces vanilla vodka, if desired
In a pitcher add orange wedges and sugar. Muddle until all of the juice has been extracted from the oranges. Add the cranberry juice and stir until the sugar is dissolved. Stir in the seltzer, (and vodka if desired), and pour into glasses filled with ice.