Naturally sweet, bananas are a favourite fruit; don’t throw away a banana from the fruit bowl that is a little brown and speckled, mash it and add to these fresh fruity muesli bars instead.
Preheat the oven to 180°C/350°F/Gas 4. Cut a piece of baking parchment a little larger than an 18 x 28 x 4cm/7 x 11 x 1½in rectangular tin or pan, snip into the corners then press into the tin so that the base and sides are lined with paper.