01 -
Preheat the oven to 175°C and grease a 23 x 23 cm baking dish.
02 -
In a large bowl, blend mashed bananas with granulated sugar, brown sugar, and melted butter until smooth and creamy.
03 -
Add eggs and vanilla extract to the banana mixture and mix until fully combined.
04 -
Whisk together flour, baking powder, baking soda, and salt in a separate bowl.
05 -
Gently fold dry ingredients into the wet mixture until just combined; a few lumps are acceptable to avoid overmixing.
06 -
Mix ground cinnamon with brown sugar to create the filling.
07 -
On a lightly floured surface, roll the dough into a 1.25 cm thick rectangle.
08 -
Brush melted butter evenly over the dough, then sprinkle the cinnamon-sugar mixture on top.
09 -
Roll the dough tightly from one edge into a log and pinch the seams to seal.
10 -
Slice the log into 2.5 cm thick pieces and arrange them spaced apart in the prepared baking dish.
11 -
Bake for 25 to 30 minutes until rolls are golden and a toothpick inserted comes out clean.
12 -
While baking, whisk powdered sugar with milk until smooth for the frosting.
13 -
Remove rolls from oven, let cool slightly, then drizzle the frosting evenly over the rolls.