Ingredients
2 cups fresh orange juice (from 4 to 6 oranges), strained, plus orange slices, for garnish (optional)
2 cups dry vermouth
2 cups club soda, chilled
Bitters
Preparation
Pour orange juice into 2 ice-cube trays; freeze until solid, at least 3 hours and up to 1 week.
Divide orange-juice cubes among 8 glasses. To each glass, add 1/4 cup dry vermouth, 1/2 cup club soda, and a dash of bitters. Garnish with orange slices, if desired.
