Pickled Red Onions Recipe

Pickled red onions are a great staple in your refrigerator. Add them to salads, sandwiches, tacos, pork, and more. They are easy to make and last up to two weeks. Perfect for company and holiday parties, come on in, and I’ll share the recipe with you.

pickled red onions

Pickled Red Onions

These pickled onions are the perfect complement to and sandwich reicpe.

pickled red onions recipe

On our latest family road trip, we stopped at Panera Bread for lunch. I ordered a sandwich with mozzarella cheese, basil, tomato, some delicious sauce and pickled onions. The sandwich was delicious, but the pickled onions stole the show.

pickled onions

Back home, I couldn’t stop thinking about those tasty onions. I kept thinking about how nice it would be to recreate that sandwich at home.

making pickled red onions

So, I did just that. I couldn’t believe how easy it was to make pickled onions.

pickled onion recipe

And, so worth the effort. This sandwich is made up of a toasted roll, basil and tomato picked from the garden, feta cheese and pickled onions. It’s simple and delicious!

pickled onions

What do Pickled Onions Go Good With?

Are Pickled Onions Good For You?

  • Red Onions are rich in Vitamin B9, B6 and in Potassium. Raw vegetables will give you the healthiest form of nutrients. Pickling usually includes salt and sugar. Be sure to watch the amount you eat to monitor your salt and sugar intake.
how to make pickled red onions

How Long Will Pickled Red Onions Last?

  • Cover and refrigerate pickled onions for up to 2 weeks

Do I Have to Boil Vinegar when Pickling?

  • No – You only need to make sure the vinegar is hot enough to dissolve sugar, salt, and any spices you’ll use when pickling
pickled onions recipe

Can you add anything to Pickled Onions?

  • Great add-ins for pickled onions are garlic cloves, and peppercorn to enhance the onions
  • cumin and fresh cilantro for a Mexican Flare
  • Fennel seeds for an Indian Flare
  • All-Spice for a sweet flavor

Here’s a quick video to show ou how I made these pickled onions:

Here’s the Printable Recipe for Pickling Red Onions

pickled red onions

Pickled Red Onions Recipe

Easy to make pickled onions that are the perfect addition to most meals. 
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Course: Side Dish
Cuisine: American
Prep Time: 5 minutes
Cook Time: 10 minutes
pickling: 1 hour
Total Time: 1 hour 15 minutes
Servings: 8 servings
Calories: 16cal
Author: Melissa
Cost: $5


  • 1 red onion
  • ½   cup apple cider vinegar
  • 1 Tbsp. red wine vinegar
  • 1 cup water 
  • 1 Tbsp. granulated sugar
  • tsp. allspice
  • 1&1/2 tsp. sea salt


  • Slice the onions into onion rings – as thin as you can make them
  • Put the onion slices into 16 oz. jars 
  • Heat the vinegar, water, sugar and salt in a saucepan over low/medium heat until it is warm enough to dissolve sugar and salt 
  • Whisk to combine 
  • Pour the heated mixture over the sliced onions
  • Push the onion slices down into the liquid so that they are completely submerged
  • Set aside for one hour – Pickles should be bright and tender
  • Cover and store in the refrigerator for up to 3 weeks 


*Can double the recipe for 2 jars
Some Optional Add-Ins for your Pickled Onions…
(add to the jar with the onion slices before pouring the liquid in)
  • Peppercorns
  • Fennel Seeds 
  • Cilantro
  • Cumin
  • Garlic Cloves 
nutrition facts are only an estimate 


Calories: 16cal | Carbohydrates: 3g | Protein: 0.2g | Fat: 0.03g | Saturated Fat: 0.01g | Polyunsaturated Fat: 0.004g | Monounsaturated Fat: 0.001g | Sodium: 1316mg | Potassium: 33mg | Fiber: 0.3g | Sugar: 2g | Vitamin A: 1IU | Vitamin C: 1mg | Calcium: 7mg | Iron: 0.1mg

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