Peel your bananas and slice them into 1-inch rounds. Place them on a plate and freeze overnight. (Yes, you really do need to freeze them for at least 8 hours. Trust me on this one. I tried to blend them after 2 hours and ended up with a smoothie, which was not what I was going for.)
Place your frozen bananas into a blender or food processor and puree. At first the bananas will take on a sort of sandy texture. This is normal, just keep scraping down the sides and pureeing until they take on the smooth texture of soft-serve ice cream. If you cant get your food processor/blender going, add a tiny splash of milk to help things along.
When smooth, spoon your “ice cream” into cups and top with your favorite healthy toppings.