1-ounce orange liqueur (recommended; Grand Marnier)
1/4 cup orange juice
Splash lime juice
2 teaspoons orange sherbet
4 orange slices, for garnish
In a cocktail shaker filled with ice, add the vodka, orange liqueur, orange juice and lime juice. Cover and shake vigorously. Put a teaspoon-sized scoop of orange sherbet into each chilled martini glass. Strain the vodka mixture into the martini glasses. Garnish each glass with 2 orange slices and serve.