01 -
Preheat oven to 375°F (190°C). Lightly grease a 2-quart baking dish with butter or nonstick spray.
02 -
In a mixing bowl, combine light brown sugar, self-rising flour, and softened butter. Use a whisk or fork to blend until mixture forms coarse crumbs. Stir in old-fashioned oats and chopped pecans. Set aside.
03 -
In a separate mixing bowl, whisk together granulated sugar, self-rising flour, and milk until just incorporated. Stir in melted butter until mixture is smooth. Pour filling into the greased baking dish.
04 -
Arrange the sliced bananas evenly over the filling mixture.
05 -
Sprinkle the reserved streusel mixture evenly over the banana layer.
06 -
Place the dish on the center rack and bake for 45 to 50 minutes, or until the top is golden brown and the filling is set.
07 -
Remove from the oven and allow to cool slightly before serving. Serve warm, optionally with vanilla ice cream.