A fantastically versatile recipe, delicious and full of goodness. Make the night before to have some ready to go on a busy morning. This recipe suggests an apple-strawberry filling for the breakfast bars, but any fruit combination is possible. Some other successful fillings include: raspberry jam, marmelade and chopped cranberries, lemon curd and blueberries, strawberry banana, strawberry kiwi, strawberry and raspberry jams with blueberries, mashed banana and peanut butter, nut butter and chocolate chips, peach mango, apple sauce and raisins with cinnamon and brown sugar, raspberry fig, apple and peach, pear and raspberry. Anything you can think of really.