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caramelized balsamic onion and thyme jam

Caramelized Balsamic Onion and Thyme Jam

  • Author: Emma Lee
  • Prep Time: 5 minutes
  • Cook Time: 47 minutes
  • Total Time: 52 minutes
  • Yield: 1 jar 1x
  • Category: Side Dish
  • Cuisine: Australian


An easy, no fuss, balsamic onion jam recipe good for sandwiches, pizza, quiche and so much more. One to always have on hand.


Units Scale
  • 3 good size brown onions (peeled)
  • 2 tbsp olive oil
  • 1/2 c balsamic vinegar
  • 1/3 c brown sugar
  • 1 tsp thyme leaves


  1. Cut each onion in half. Place onion cut side down on a chopping board and finely slice onions lengthways. Alternatively, slice onions in a food processor with a 2mm slicing disc.
  2. In a frypan, place the sliced onions and olive oil. Give it a good stir to coat the onions and place on the stovetop on a low heat for 2 minutes
  3. Pop all remaining ingredients into the pan, and give a good stir to combine. Place on a low to medium heat. You want the onions to be gently simmering in the balsamic mixture.
  4. Simmer away gently for 45 minutes or until the balsamic mixture had been reduced to a jam-like consistency.
  5. Cool and place onion jam in a jar and pop in the fridge until needed.


This jam with last in the fridge for two weeks.

Use it on a sausage sandwich, with cold meats, on a ploughmans or cheese plate, or even as a pizza topping.

Keywords: Balsamic, Jam, Onion, Preserving, Thyme