Ingredients

175g Co-op unsalted butter, softened, plus extra for greasing
175g caster sugar, plus 15g for dusting (optional)
225g Co-op self raising flour
100g porridge oats
3 Co-op Fairtrade bananas
50g sultanas

Method

Preheat the oven to 200°C/fan 180°C/Gas 6
Grease a shallow baking tin (about 30 x 20cm)
Beat the butter and caster sugar until the mixture is pale in colour
Stir in the flour and oats and form into a dough
Spoon two thirds of the dough into the base of the tin and level the surface with the back of a spoon
Slice the bananas, mash with a fork and spread onto the dough
Then cover with the remaining dough and sprinkle the sultanas over the top
Level off as before
Bake for 20-25 mins or until golden brown
Allow to cool before dusting with the extra caster sugar, if you like
Cut into 20 fingers and carefully remove from the tin