Add the oats, sultanas and bananas and mix well. Press into the baking tin, cover with foil and bake for 30 minutes, removing the foil for the last 10 minutes. Mark the flapjack into 12 pieces ...

Mix everything together until well combined ... Bake for 25 minutes. Take the flapjacks out of the oven and leave to cool for about 5–10 minutes. Cut into 16 squares or triangles and serve.