Quick Pickled Red Onions

A quick way to enjoy a topping for your hamburger, hotdog, or street taco. Anything you want to enjoy a little pickled punch on! Easy Pickled Red Onions are not only pretty to look at, but are not too strong (heat wise) and add some yummy condiment tang to your food!

Quick Pickled Red Onions

The only thing I ever had pickled growing up were cucumbers, peppers, and mixed veggies. But never a red onion.  Now, as an adult, I really only have eaten them as a topping or on a salad anytime I ate out. So, when I knew I would be making some street tacos, I knew I wanted to try my hand at pickling my own red onions.

Quick Pickled Red Onions

I can’t believe how quickly these onions were “pickled”. Although we were able to enjoy these only after about an hour, the longer they set, the prettier they get. I highly recommend only making the one onion though, unless you plan to be eating a lot of them!

Quick Pickled Red Onions

I highly recommend the OXO Good Grips V Blade Mandoline slicer that to make slicing the onions nice and thin very easy! However, you can still cut them thinly with a regular knife. I love to use my ceramic knife for little jobs and it is what I used to whenever I don’t feel like pulling the Mandoline out!

Quick Pickled Red Onions

These Pickled Red Onions will store in your refrigerator for up to two weeks. The longer they sit, the redder they get!


Pin it! Easy Pickled Red Onions

Easy Pickled Red Onions

Quick Pickled Red Onions
Yield: 8 servings

Easy Pickled Red Onions

Prep Time: 5 minutes
Rest Time: 1 hour
Total Time: 1 hour 5 minutes

An easy to make recipe for a super tasty condiment that is great for sandwiches, tacos, and more.


  • 1 large red onion
  • 3/4 cup apple cider vinegar
  • 1 tablespoon monkfruit
  • 1-1/2 teaspoon kosher salt


  1. Whisk first 3 ingredients and 1 cup water in a small bowl until sugar and salt dissolve.
  2. Place onion in a jar; pour vinegar mixture over. Let sit at room temperature for 1 hour.
  3. Cover and chill.
  4. Can be stored for up to 2 weeks in refrigerator. . Drain onions before using.


Regular sugar can be substituted for the monkfruit on a 1:1 ratio. The recipe will no longer be keto if using regular sugar.

Nutrition Information



Serving Size


Amount Per Serving Calories 12Total Fat 0gSaturated Fat 0gTrans Fat 0gUnsaturated Fat 0gCholesterol 0mgSodium 530mgCarbohydrates 2gFiber 0gSugar 1gProtein 0g

Nutrition information is provided as a courtesy but will vary depending on the specific brands of ingredients you use. Please consult with your doctor regarding specific health needs.

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About the Author: Shelby Law Ruttan

Shelby is the author/owner of Grumpy's Honeybunch. Established in 2007, she shares and preserves family recipes as well as recipes for cooking light and keto. She is an experienced, self-taught home cook who loves to share recipes with others. You can see her work on websites such as Veal Made Easy, Parade, Community Table, SoFab Food, Yummly, and FoodGawker.

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  1. […] of red onion slices, make some Easy Pickled Red Onions and sprinkle them on top after the pizza has […]

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Shelby Welcome! I'm Shelby, author of Grumpy's Honeybunch. I have been sharing family favorite recipes since 2007. We started the Keto Diet in October 2017 and since then I have been creating Keto ... read more

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