1 fluid ounce coffee-flavored liqueur (such as Kahlua®)
1 fluid ounce vodka
1/3 banana, mashed
1 cup ice cubes
Place pina colada mix, coffee-flavored liqueur, vodka, banana, and 1/2 cup of ice into a blender. Cover, and puree until smooth. Add ice a little at a time and repeat until drink reaches desired consistency.