01 -
Peel and slice 3 medium overripe bananas. Place the slices in a large mixing bowl or heat-resistant measuring jug.
02 -
If added texture is desired, finely cube 1 to 2 extra bananas and set aside for later.
03 -
Add 160 ml milk, granulated sugar to taste, sweetened condensed milk, and vanilla extract (if using) to the sliced bananas. Blend with an immersion blender until the mixture is smooth and uniformly combined.
04 -
Transfer the banana milk base to a large beverage container. Pour in 720 ml milk and mix thoroughly with a spoon.
05 -
Stir in reserved cubed bananas to introduce extra texture, if using.
06 -
Refrigerate for several hours to allow flavors to meld and beverage to cool thoroughly. Alternatively, serve immediately over ice.