Cut the bananas in half and make a layer of them in a glass baking dish, add a layer of condensed milk, then make a second layer of bananas, another layer of condensed milk, a third layer of bananas, finish with the rest of the condensed milk.
Bake in a preheated oven at 180°C (356°F) for 35 minutes, remove from the oven, let it cool and put in the fridge.
Whip the table cream in a mixer until it gains consistency and pour it over the dessert.
Spread well and top with some cinnamon powder.