This Chocolate Banana Milkshake uses a few simple ingredients which you’ll likely already have at home, quickly whip them up into a delicious shake. Perfect for a boost of energy at any time of day which is sweet, filling, and above all, guaranteed to be a family favorite.  The frozen banana both chills the milkshake and thickens at the same time, freezing beforehand also saves a lot of time. If bananas are beginning to become too ripe, this is an ideal way of using up old bananas. Simply pop them in the freezer then use it at a later date to create a delicious milkshake.