Don't throw out your broccoli stems if you want an an extra source of nutrition.  

More than 280 tonnes of stems are being thrown out every year - the equivalent of a blue whale.

This is combined with the almost $3 billion worth of food tossed out each year - more than $1500 per household.

LeaderBrand Chief Executive Richard Burke told Mike Hosking the stem is a good source of nutrition.

He says it's the same in the stem as it is in the head, just a different texture.

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