A supermarket-brand tomato ketchup has been officially crowned the "best buy" over Heinz — and it is more than 60% cheaper. A recent study by Which? named one ketchup a better option than Heinz ...

Interestingly, there's no mention of ketchup or any other tomato-based products. Instead, a slew of stabilisers, preservatives, and spices are listed, which can be omitted when whipping up the ...