Sweet and mild red onions for Caramelised Onion Jam - Vegan | thecookandhim.com

Posted in Recipes on 01.11.2017

Caramelised Onion Jam

prep: 20 mins / cook: 30 mins / inactive: 0 mins / total: 50 mins / quantity: 1 portion Print recipe?

Soft and sticky.  Tangy and full of flavour.  Perfectly pairs with so many things.  And no need to fear making your own caramelised onion jam.  It’s simple perfection.  Nature’s bounty at its finest.

Am I waxing too lyrical now?

I just really want you to make this.  It might sound unusual – jam?  With onions??  But the proof of the pudding and all that ?

I think it’s referred to as jam because you’re cooking the onions until they release their own natural sugars – making that lovely sticky sweetness.

It couldn’t be simpler to make.  And another of my one saucepan loveliness recipes too.  Bonus!

The hardest part is slicing the onions.  I’ve become a bit of an onion warrior over the years.  I’ve peeled/sliced so many that they no longer make me cry and knives were my workplace too so I’m confident with them.  But there’s no need to rush, take your time, keep your fingers and marvel at your cheffyness with your homemade caramelised onion jam!

Sweet and mild red onions for Caramelised Onion Jam - Vegan | thecookandhim.com

When you want to thinly slice an onion, peel away the tough outer skin then cut in half through woody root that’s at one end of the onion This is the thing responsible for holding all the layers of the onion together.  Lay one of your onion halves flat on a chopping board and cut the root away then slice the onion.  You can cut it either way round – one way will give you half onion rings, the other slightly less rounded.  The choice is really yours.  It won’t matter a jot once they’re cooked!

You want to cook them relatively slowly as well.  Too high a heat and they’ll start to burn before the natural sugars start to caramelise the onions.  Just a gentle heat and an occasional stir from you is all it takes.

This is just a basic recipe.  You can juj it up with a splash of apple juice, balsamic vinegar and some sultanas – add those once the onions have started to caramelise.  You can impart a little extra flavour with a vegetable stock cube too!  Again, add that once the onions have started to turn their wonderful golden colour.  Experiment.  Be free!

Sweet and mild red onions for Caramelised Onion Jam - Vegan | thecookandhim.com

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Caramelised Onion Jam

prep: 20 mins / cook: 30 mins / inactive: 0 mins / total: 50 mins / quantity: 1 portion


  • 2 red onions
  • drizzle of olive oil
  • salt and pepper
  • 200 ml apple juice
  • 30g sultanas
  • 1 tblsp balsamic vinegar


  • 1 vegetable stock cube
  • salt and pepper


  1. Peel and thinly slice the onions, removing the root so the slices come apart
  2. In a small saucepan or frying pan put the onions and a drizzle of olive oil.  Cook very gently over a low heat till the onions first start to soften and turn translucent - around 5 minutes - stirring occasionally.
  3. Then keep cooking for another 15-20 minutes, again stirring every so often, till the onions start to change colour and caramelise.
  4. Add the apple juice, sultanas and balsamic vinegar and optional stock cube and bubble for another 10 minutes till the liquid has mostly evaporated
  5. Carefully taste and season
  6. Remove from the heat and use either immediately or cool and chill for up to 1 week.  
Caramelised Onion Jam


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  • […] I also love all kinds of flavours in my hummus – so your mouth kinda explodes with different tastes.  Pungent garlic, zingy lemon and tahini are absolutely essential for any hummus base but here I’ve added another of my favourite things – caramelised onions.  These are onions that are very slowly cooked so that the sugar is released from them and they caramelise and become sweet.  There’s a step by step guide right here. […]

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Hello there!  I’m Sam, former Michelin star pastry chef and now your go-to vegan foodie on a mission to make plant-based eating a deliciously easy adventure!  From cozy comfort foods to vibrant salads and decadent desserts, there’s something for everyone in my kitchen.

Whether you’re cooking for one or for a houseful I believe food doesn’t have to be complicated to be full of FLAVOUR and I want to show you how.  I’ve been a rigorous meal planner for over a decade whilst embracing seasonal ingredients (because that’s where the real flavour is!)

I’m also a dedicated dog mum to Nooch and Baxter and enjoy cooking them homemade treats (many of which are posted here) when I’m not screaming at the tennis or devouring fantasy fiction.

All things autumn - warming soups, savoury bakes and delicious sweet treats!

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