Into a small, shallow baking dish, press mixture into an even layer. Bake 15 minutes, remove, and slice into bars while still warm before turning out onto a wire rack to cool completely. DON'T MISS ...
Remove from oven and leave to cool in pan 15 minutes. Remove bars from pan by pulling out parchment paper, and transferring to a wire rack. Leave to cool completely before slicing into 9 squares.