01 -
Set your oven to 350°F and grease a 9-inch pan.
02 -
In a large bowl, stir butter, milk, and sugar together. Add in the bananas and eggs.
03 -
In a separate bowl, mix the flour, soda, powder, salt, and cinnamon.
04 -
Gently stir the dry mix into the wet stuff until it just comes together.
05 -
Pour the mix into the pan. Combine the topping sugar with cinnamon and sprinkle it over. Bake for 1 hour until a toothpick shows just a few crumbs sticking.