Picture the scene: you're making a sandwich and get a pack of sliced turkey out of the fridge, only to realise it’s past its expiration date. You're hungry and it seems a waste to throw the food away – should you carry on and risk it, or search out another sandwich filling? Here, we reveal when to throw away food, even if it appears perfectly edible, and how to extend the shelf life of your favourite ingredients.

Read on to discover the foods whose expiry dates you should NEVER ignore, listed alphabetically from A-Z.