i use this one, all the time

you can add fruit or not

i have made them as per the recipe, with apple sauce and cinnamon, and i have used a jar of (christmas) mincemeat, and with nothing at all

they always come out lovely and cut into squares easily 

they are pretty rich so you dont need big rectangles

http://hedgecombers.com/2009/02/06/the-best-flapjack-recipe-in-the-whole-wide-world-ever/