Chocolate Banana Smoothie (1 serving) 1 banana 3/4 glass of milk 1/4 teaspoon vanilla or vanilla banana nut flavor any chocolate syrup or powder blender Put all the ingredients into blender and pulse until smooth. Pour and enjoy! This is just a basic banana smoothie but with a chocolate taste. Quick and delicious. Mr Breakfast would like to thank callie789 for this recipe. Recipe number 2772. Submitted 3/1/2010.