3 oz of 7-up soda (or Sprite)
1 1/2 oz of Kahlua coffee liqueur (or coffee liqueur)
3 oz of cold milk (or milk)
2 tbsp of vanilla ice cream (or ice cream)
1/2 oz of smooth peanut butter (or Peanut Butter)
Blend briefly with half a glassful of crushed ice in a pina colada glass. Add the 7-up, and serve.