Between The Sheets Not many (proper) cocktails contain more than one base spirit. Since Cointreau is a full-proof product, it can almost be considered a third base spirit in this one! Between The Sheets 1 ounce brandy 1 ounce light rum 1 ounce Cointreau 1/2 ounce lemon juice Garnish: Lemon twist. Shake with ice. Strain into a cocktail glass.