Onion Marmalade


IMG_1953Onions take quite a long time to grow, I’ve found. They look architectural in the veg bed – someone described them as like giant chives. My brown onions have been disappointing – just brown stumps at the end of their stalk. However the white onions have been a delight. Big juicy round bulbs. It seemed a pity just to use them in various dishes, so I thought they deserved a longer life by making Onion Marmalade with them.

This is a simple recipe based on 2:2:1 with only four ingredients but has produced a wonderful rich caramelised jam.


  • 1 kg sliced onions (I used white)
  • 1 kg white sugar
  • 500 ml white vinegar
  • 3 tablespoons sea salt (less if you use table salt)
  • Combine sugar, vinegar and salt in a heavy based large pan and stir until sugar is dissolved.
  • Bring to the boil and add onions. Bring back to the boil.
  • Reduce and simmer, stirring occasionally until jam thickens and goes a rich golden caramel. This may take 3 – 5 hours.
  • Skim off any scum and allow to sit for 15 – 30 minutes.
  • Place in clean sterilised jars and seal. Store in cupboard. I made 6 small jars.


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