Dessert of the Gods? Probably!

Ingredients:
for the topping:
3/4 cup packed light brown sugar
1/2 cup self-rising flour
1/2 cup (1 stick) unsalted butter, softened
1 cup uncooked old-fashioned oats
1/2 cup chopped pecans
for the filling:
1 cup self-rising flour
1 cup sugar
1 cup Sir Bananas Bananamilk
1/2 cup (1 stick) butter, melted
4 bananas, sliced