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Caramelised Onion and Quince Chutney

Jar and bowl of homemade Caramelised Onion and Quince Chutney on a wooden board with fresh quinces.
This Caramelised Onion and Quince Chutney is a small-batch autumn preserve that’s perfect for cheese boards, veggie burgers, or gifting. Slowly cooked onions and quince develop rich, jammy flavours with a balance of sweet and tangy notes.
Prep Time 20 minutes
Cook Time 1 hour 10 minutes
Total Time 1 hour 30 minutes
Course Autumn, Preserves & Condiments
Servings 35
Calories 37 kcal

Ingredients  

  • 2 large white onions, thinly sliced
  • 3 tbsp olive oil
  • 150 g brown sugar
  • 200 ml apple cider vinegar
  • 1 tsp yellow mustard seeds
  • ½ tsp black pepper
  • ½ tsp fine salt

Instructions 

  • Peel and thinly slice onions evenly.
  • Heat 3 tbsp olive oil in a heavy-bottomed pan over low–medium heat. Add onions and cook 25–30 minutes, stirring often, until deep golden.
  • While onions cook, peel, core, and dice quince into ≤1 cm cubes.
  • When the onions are finished, stir in diced quince, mustard seeds, salt, and pepper. Cook 5 minutes, stirring often, until quince starts to soften and becomes aromatic.
  • Sprinkle in brown sugar and pour in apple cider vinegar; stir to dissolve. Reduce heat and simmer uncovered 40–50 minutes, stirring occasionally, until thick and jammy.
  • Drag a spoon across the pan; if it leaves a clear path that slowly fills in, it’s ready. Chunks should hold their shape; mash lightly if you prefer it smoother.
  • Spoon hot chutney into sterilised jars, seal immediately, and cool. For best flavour, let mature at least 1 week before opening.

Notes

You can adjust the recipe to your taste: use red onions for a deeper, sweeter flavour, or swap yellow mustard seeds for black if you want more punch. For a spicier kick, add chilli flakes or a fresh red chilli when cooking.
Storage: Keep sealed jars in a cool, dark cupboard for up to a year. Once opened, refrigerate and eat within 4–6 weeks.
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