P.F. Chang's China Bistro Copycat Recipe
2-3 drops bitters
1 oz. Grand Marnier
3 oz. chilled champagne
First, rim a flute or saucer champagne glass with sugar (sanding or fine sugar is best) - run a half lemon or orange around the glass and dip in sugar. Put sugar cube in glass and add bitters. Next add Grand Marnier and top with chilled champagne.