1 oz of vanilla vodka
2 oz of dekuyper buttershots liqueur (or Butterscotch Liqueur)
1/2 cup of schilled cream soda (or Cream Soda)
Combine vodka and butterscotch liqueur in a cocktail shaker half-filled with ice cubes. Shake for 30 seconds and pour into a martini or any other glass. Pour cream soda into glass, stir and serve.