Ingredients

　　1 cup softened vanilla ice cream

　　1/2 cup chopped banana plus banana slices for garnish

　　1 ounce (2 tablespoons) crème de cacao, or to taste

　　1 ounce (2 tablespoons) dark rum, or to taste

　　3/4 cup chilled club soda

　　In a blender blend ice cream and chopped banana until smooth but still thick and pour into 2 chilled stemmed glasses. Add crème de cacao, rum and club soda and garnish with banana slices.