Food scientist reveals the real reason Heinz ketchup is more expensive than supermarket own-brand versions - but a surprising variety wins a blind taste test
![Food scientist reveals the real reason Heinz ketchup is more expensive than supermarket own-brand versions - but a surprising variety wins a blind taste test](https://i.dailymail.co.uk/1s/2024/07/18/14/87494379-0-image-a-60_1721309375703.jpg)
In a new Channel 5 documentary, In Supermarket Own-Brands: The Big Taste Test - Staples, participants blind tested a different tomato ketchups.