Preheat oven to 375℉/190℃. Grease the cupcake trays or line with cupcake paper.
In a large bowl, combine the 1 and ½ cups of flour, the salt, baking soda and powder.
In a separate large bowl, blend the bananas, vanilla essence, sugar, butter, food colouring and egg. Stir the banana mixture into the flour mixture until it is moistened.
Spoon the mixture into the cupcake tray. Bake for 12 minutes. Cool on a wire rack before adding the frosting.
Cream cheese frosting
Blend the butter and cheese in a medium mixing bowl till creamy. Add the icing sugar and vanilla and mix well. Decorate cupcakes.