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    Home / Recipes / Vegan Sides

    Pickled Red Onions

    Published: Sep 27, 2018 · Modified: Jun 19, 2022 by Kathy Carmichael · This post may contain affiliate links.

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    Pickled onions add herbs

    When I make salads and bowls, I love to add onions. But sometimes, I want to add a little kick to my red onions. Red pickled onions are not only simple to make, they are a fabulous addition to any salad, sandwich, or bowl.  Although red onions are generally strong tasting, pickled onions are milder in taste. Despite the vinegar base, the sweet taste of agave or maple syrup makes these pickled red onions a delicious addition to any recipe. 

    WHAT INGREDIENTS ARE NEEDED FOR  PICKLED RED ONIONS?

    red onions pickled onions

    • Pint-sized mason jar
    • Red onion
    • White vinegar
    • Agave or maple syrup
    • Rosemary or other herbs and flavors

    OPTIONAL FLAVORINGS (PICK ONE OR MIX AND MATCH TO ACCOMPANY YOUR FOOD)

    • Black peppercorns
    • Rosemary
    • Thyme
    • Hot red pepper
    • Basil
    • Jalapeno
    • Dill
    • Garlic
    • Cumin seeds

    Regardless of the flavors, you choose to infuse into your onions, rosemary is my preference. I absolutely love rosemary, but basil or hot peppers can change the flavor drastically and enhance the flavors you are trying to match with a recipe. 

    If you plan to make a Mexican dish, jalapeños would clearly be a good choice. Basil would enhance any onions for an Italian Dish.

    HOW TO MAKE PICKLED ONIONS; SO SIMPLE IN ONLY A FEW MINUTES

    pickled onions add vinegar

    In order to make pickled onions, all you need is a few simple ingredients and then choose your flavors. 

    • Peel and slice the red onion into thin slices.
    • Place onions and rosemary into a pint-sized mason jar, or other glass, plastic, or ceramic container with a sealable lid.
    • In a small saucepan stir together vinegar and agave
    • Add additional optional flavorings as desired.
    • Bring to a boil, then remove from heat.
    • Pour mixture over onions in a jar until full.
    • Place the lid on and let cool to room temperature.
    • Place the lid on to seal and refrigerate.
    • Wait overnight and use for your favorite recipes
    • Will last sealed in the refrigerator for 7-10 days

    pickled onions recipe

    If you love onions as I do, and you want to pickle quickly and easily, unlike other pickling processes, try this. Pickled onions last a week to ten days in the refrigerator. Ours didn't last that long.

    pickled onions served

    WHAT RECIPES ARE GREAT TO INCLUDE PICKLED RED ONIONS?

    Antipasto Salad Recipe

    ANTIPASTO SALAD

    GREEK WRAP SANDWICH

    Vegan Poke Bowl Recipe

    VEGAN POKE BOWL

    The best lentil burger

    LENTIL BURGERS

    Vegetable Tacos Recipe

    ROASTED VEGETABLE TACOS

    Pickled onions add herbs

    Pickled Red Onions

    Kathy Carmichael
    Pickled onions are easy to make and are a great addition to salads, soups, and sandwiches. Quickly transform red onions into mild, slightly sweet, and tangy in a matter of minutes.
    No ratings yet
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    Prep Time 5 mins
    Cook Time 5 mins
    Total Time 10 mins
    Course Salad
    Cuisine American
    Servings 12 servings

    Equipment

    • 365 by Whole Foods Market, Organic Pure 100% Grade A Maple Syrup, Dark Color Robust Taste, 32 Fl Oz

    Ingredients
      

    • 1 pint sized mason jar
    • 1 red onion
    • 1½ cups white vinegar
    • 2 tablespoons agave or maple syrup
    • 2 large sprigs of rosemary

    Optional Flavorings (Pick one or mix and match to accompany your food)

    • 1 teaspoon black peppercorns
    • 2 sprigs fresh rosemary
    • 2 sprigs fresh thyme
    • 1 small hot red pepper
    • 3 whole peeled garlic
    • 1 teaspoons whole cumin seeds

    Instructions
     

    • Peel and slice the red onion into thin slices.
    • Place onions and rosemary into a pint-sized mason jar, or other glass, plastic, or ceramic container with a sealable lid.
    • In a small saucepan stir together vinegar and agave.
    • Add additional optional flavorings as desired.
    • Bring to a boil, then remove from heat.
    • Pour mixture over onions in a jar until full.
    • Place the lid on and let cool to room temperature.
    • Place the lid on to seal and refrigerate.
    • Wait overnight and use for your favorite recipes
    • Will last sealed in the refrigerator for 7-10 days
    Tried our recipe?Let us know how it was!
    Kathy Carmichael

    Hi! My name is Kathy, I am a retired high school English teacher & vegan enthusiast and blogger. My entire blog is fully plant-based vegan. I truly believe what we eat & how we live determines our health & the preservation of our planet! 🙂

    www.kathysvegankitchen.com/about-me/
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    Reader Interactions

    Comments

    1. Dean

      September 29, 2020 at 7:14 am

      What do you mean by agave? What part of the agave should I use?
      Did you mean agave sugar? Or agave syrup?
      Please help.

      Reply
      • Kathy Carmichael

        September 29, 2020 at 12:38 pm

        Dean, you can use agave syrup or maple syrup.

        Reply
    2. ron

      October 18, 2020 at 10:30 am

      Is not agave high in fructose and therefore hard on the liver?

      Reply
      • Kathy Carmichael

        October 19, 2020 at 5:08 am

        Hi Ron! Because it is boiled and then used in pickling, the amount of agave has minimal absorption into the onions. You may also substitute maple syrup if you prefer. I hope this answers your question.

        Reply

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    94 shares