Preheat oven to 425?. In a mediun cast iron skillet, melt butter over medium heat. Set aside.

Combine eggs, milk, flour, brown sugar, vanilla and salt in a blender and blend until foamy. About one minute.

In a small bowl, combine sugar and cinnamon. Pour batter into the skillet And evenly top with banana slices and cinnamon/sugar mixture. place skillet just into the oven and bake for 20 minutes until golden and puffy.

Slice and serve with maple syrup.