Try Michael Caines' cake recipe from episode 15 of Perfect.
Cream together the butter and the sugar add the eggs gradually and cream well, add the vanilla.
Sieve the flour, salt, soda and baking powder together.
Mash the ripe bananas and add alternately the bananas and flour to the creamed butter, sugar and egg mixture.
Stir in the walnuts and pour into a well greased baking tin and bake at 45 minutes at 160ºc once baked, cool on rack.
For the topping: beat the cream cheese, sugar and butter together in a mixing bowl until smooth and soft. Spread the frosting over the cooled cake.
Best left for a day before serving.
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