Soak one sugar cube in a champagne flute with angostura bitters. Add champagne and cognac. Squeeze in a twist of lemon and discard. Garnish with half a slice of orange.
Champagne Flute
Pour champagne, cognac and orange juice into a champagne flute. Add one sugar cube, saturated in angostura bitters, and a twist of orange. Serve with a muddler.
Champagne Flute
Shake cognac, cointreau and orange juice over ice cubes in a shaker. Strain into a champagne flute, carefully fill with champagne, and serve.
Champagne Flute