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How to make onion rings

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Cooking up a batch of these moreish bites is easier than you think, all you need is a few storecupboard ingredients.

Points to remember

  • Use a fork to steady your onion and slice the onion into rings about 1cm wide. Remove the skin and separate the rings.
  • Heat the oil to 180C in a heavy-based pan – it should be no more than 1/3 full.
  • Meanwhile mix the batter ingredients - here we use flour, seasoning and sparkling water. Whisk together to form a thick batter.
  • Coat a small batch of onion rings and carefully lower them, one at a time into the hot oil.
  • Deep-fry until crisp and golden, about 2 - 3 minutes. Drain on kitchen paper. Repeat until you have cooked all the onion rings.


It's worth investing in a cooking thermometer to measure the temperature of the oil. You can, however, drop a cube of bread into the oil to test the temperature. It should brown in 45 seconds – 1 min.

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