Cointreau is the best known brandy of the orange flavored liqueur, or you could use triple sec. it is drier and stronger that Curacao and is always colorless.
2 measures brandy
1 measure orange flavored liqueur
1 measure lemon juice
4-6 cracked ice cubes
Orange slices, to decorate
1. Put the ice into a cocktail shaker.
2. Pout the bandy, triple sec and lemon juice over ice and shake vigorously until a frost forms.
3. Strain into a chilled glass and dress with a slice of orange.