Add in a bowl 1 egg, brown sugar, 1/4 cup of sugar, 1/2 cup of MELTED butter, sour cream, vanilla and whisk together. Add 2 ripe bananas and mix together. Add flour and baking soda. in another bowl add cream cheese, 1/4 cup of sugar, 3TBSP of flour, 1 large egg and whisk together.
Pour half of the bread mixture in pan, add filling, add remaining mixture and bake at 350 for 50 minutes.