1 oz of Vodka
1/2 oz of Lime Juice
2 dash of bitters
3 oz of sparkling white wine (or Champagne)
1/2 oz of grand marnier orange liqueur (or orange liqueur)
1 tsp of cointreau orange liqueur (or orange liqueur)
Pour the vodka, Grand Marnier, lime juice, bitters, Cointreau and wine into a cocktail shaker half-filled with ice cubes, and shake well. Strain into a large wine glass, and add the wine. Stir well, and serve.