"The @whichuk answer? Cupboard. There's no need to keep ketchup in the fridge – unless you prefer the taste of it chilled. Not only does it contain vinegar, but tomatoes are naturally acidic ...
Some firmly advocate for cupboard storage, while others insist it belongs in the fridge for longevity. There are also those who prefer their ketchup at room temperature rather than chilled ...
The consumer champion advises keeping bread, cucumbers, and tomatoes in the cupboard. Meanwhile, several condiments - including ketchup - don't need to go in the fridge. 'It's not essential to ...