Directions
1Butter and margarine and sugar until creamy.
2Add flour, beaten egg white, milk, bananas and baking powder and mix well.
3Then grease a baking tray and pour the mixture into it.
4Place in the oven, pre-heated to 180 ° C for 45 minutes.
5Meanwhile, mix all ingredients, except topping bananas.
6Bring to heat a pan and cook, stir until thick and has a creamy consistency.
7Finally,, remove the cake from the furnace, retrieve from the mold.
8Top with whipped cream and decorate the surface prepared with banana slices.