The condiments you MUST keep in the fridge

  • Popsugar compiled guide to where your favourite condiments should be store
  • Honey will crystalise in the fridge and hot sauce is safe to leave out
  • Maple syrup bottles can go mouldy if you leave them outside of the fridge
  • Opened tomato ketchup safe for a month, before you need to refrigerate

Keeping tomato ketchup in the fridge or in the cupboard is a debate that always divides foodies, with some claiming it’s safe to leave out and others insisting it must stay chilled. 

Now Popsugar has compiled a guide to the best places to keep you condiments to preserve the flavour and make sure they’re safe to eat – and the tips may well surprise you.

While it may seem obvious that a sauce such as mayonnaise should remain in the fridge because it contains eggs, oils that you might usually keep in the cupboard such as sesame oil, should be refrigerated. 

WHAT GOES IN THE FRIDGE 

Maple syrup 

Nut-based oils 

Mustard 

Mayonnaise 

Ketchup 

Tomato ketchup  

Mould can form on maple syrup if you leave it out, so make sure to keep it in the fridge or even the freezer so that it lasts indefinitely. It will not freeze solid 

Opened tomato ketchup can last safely for a month in the cupboard, but after that you should put it in the fridge

Unrefined oils made with nuts, such as sesame and peanut, should be kept in the fridge to stop them going rancid

Opened tomato ketchup can last safely for a month in the cupboard, but after that you should put it in the fridge. Unrefined oils made with nuts, such as sesame and peanut, should be kept in the fridge to stop them going rancid

While Dijon mustard won't spoil after opening, it's recommended that you keep it in the fridge to preserve flavour

As mayonnaise is made with eggs, it must be refrigerated after opening

While Dijon mustard won’t spoil after opening, it’s recommended that you keep it in the fridge to preserve flavour (left). As mayonnaise is made with eggs, it must be refrigerated after opening 

WHAT STAYS IN THE CUPBOARD  

Hot sauce

Unopened ketchup and mayonnaise 



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