Michelle Darmody: How to turn leftover sweet potato into a cake that everyone will rave about

And this cheat's apple tart is a handy recipe to have to hand 

You can use any mashed squash and most root vegetables in this cake. 

It is really handy to have quick and easy recipes to use up leftover or excess food in the fridge and cupboards.

French toast and bread and butter pudding are fail-safe leftover bread recipes but at times you may have small ends of cheese or some mashed vegetables that are idling about after a dinner.