So, avocados were on sale at the supermarket and you got over excited and bought too many to use before they'll go bad. No problem — it turns out that you can freeze avocados, but you'll want to ...

The waste management specialists also suggested that even freezing the avocados can keep them fresh for up to four months.

Whip it up into lush guacamole by combining it with tomato, lime, coriander, onion and chilli. For longer storage, freeze avocado slices. Coat them in lemon or lime juice to prevent browning.