Pickled Pearl Onions

Pickled Pearl Onions are a classic addition to any pantry and provide a sharp, sweet crunch to many meals. These small onions work perfectly on a cheese board or served alongside cold meats. This recipe uses simple ingredients like vinegar and sugar to create a balanced brine. You can make a batch quickly and store them for several weeks.
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Photo of the finished dish for the recipe Pickled Pearl Onions

Why prepare pickled pearl onions

Making pickled pearl onions at home allows you to control the level of sweetness and spice. Many store bought versions can often be too soft or overly acidic. These homemade onions stay crisp and have a much fresher flavour. They are an essential part of a traditional British ploughman lunch.

Step by step: pickled pearl onions

Step 1
Prepare onions: Place the onions in a bowl of boiling water for two minutes. Drain them and trim the ends to peel away the skins easily. Keep the onions whole so they look neat in the jar.
Step 2
Make brine: Combine the vinegar, water, sugar and salt in a large saucepan. Heat the mixture over medium heat and stir until the sugar dissolves completely. Add the mustard seeds, peppercorns and bay leaf to the liquid.
Step 3
Cook onions: Add the peeled onions to the simmering brine. Let them cook for about five minutes until they are slightly translucent but still firm. Do not boil them for too long or they will lose their crunch.
Step 4
Jar onions: Transfer the hot onions into a sterilised glass jar using a clean spoon. Pour the hot liquid over them until they are fully covered. Seal the jar tightly and let it cool before storing it in the fridge.

My best tips for pickled pearl onions

Use white wine vinegar or cider vinegar for a milder flavour than malt vinegar. If you want a bit of heat, add a dried chilli to the jar before sealing. Always ensure your jars are properly sterilised to keep the pickled pearl onions fresh for longer. Letting the onions sit in the fridge for at least two days will improve the depth of flavour. You can add a few cloves of garlic for an extra savoury note. These onions are great in salads or chopped up in a tartare sauce.

Make sure the onions are completely submerged in the brine to prevent spoilage.

Find more ideas here: indonesian chicken bake, wrap with crispy plaice or cod with capers and lemon.

Ingredients

servings
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  • 500 g pearl onions
  • 250 ml white wine vinegar
  • 100 ml water
  • 50 g sugar
  • 10 g salt
  • 1 bay leaf
  • 1 tsp mustard seeds
  • 1 tsp peppercorns

Cooking time

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Nutrition information

NUTRITIONper serving
  • Energy:134 kJ / 32 kcal
  • Fat:0 g
  • - of which saturates:0 g
  • Carbohydrates:8 g
  • - of which sugars:6 g
  • Protein:1 g
  • Fibre:1 g
  • Salt:400 mg

People also ask

You can store these pickled pearl onions in a sealed jar in the fridge for up to one month. Make sure to always use a clean fork when taking them out to keep the brine clear.
To keep the pickled pearl onions crunchy, avoid overcooking them in the hot brine. Only simmer them for a few minutes and then cool them down quickly in the jar.
Pickled Pearl Onions usually takes about 10 minutes to make. The time can vary slightly with the quantity and method. Check the texture towards the end.
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4.7 / 5 - (10 ratings)