Get ready to elevate your meals with these incredibly delicious and effortlessly made quick pickled red onions! This recipe is a true culinary game-changer, allowing you to transform ordinary red onions into vibrant, tangy, and subtly sweet flavor bombs in a mere two hours. Forget the complicated canning processes; all you need are a few basic pantry staples – apple cider vinegar, white vinegar, a touch of sugar, and salt – combined in a jar with thinly sliced red onions. Pop them in the fridge, and before you know it, you’ll have a versatile condiment ready to enhance everything from tacos and burgers to salads and sandwiches for days to come.

I still fondly recall the days spent pickling vegetables – cucumbers, onions, and peppers – alongside my grandma. While those memories are precious, I also remember the traditional pickling process being quite involved. It required a significant time commitment, specialized equipment, and often felt a little intimidating for a young cook. The long waits for fermentation, the precision of sterilizing jars, and the sheer effort involved made it a project rather than a quick kitchen task.
That’s precisely why we’re so thrilled to share our *quick* pickled onion recipe with you. It captures that fantastic, irresistible pickled flavor we all crave, but without the extensive time, effort, or intimidating steps. This recipe is designed for modern home cooks who want maximum flavor with minimal fuss, making it accessible to everyone, regardless of their pickling experience.
Why This Quick Pickled Onion Recipe is a Must-Try!
Our family absolutely adores pickled vegetables, and these quick pickled red onions have earned a permanent spot in our fridge. Beyond classic dill pickles and pickled cauliflower, these red onions offer a unique blend of sharp tanginess and a hint of sweetness that complements an incredible array of dishes. We’ve found ourselves putting them on just about everything, from our savory Instant Pot pulled pork to our zesty quick pickled spicy peppers. They provide that perfect bright, acidic counterpoint that cuts through rich flavors and awakens the palate.
If you’ve ever hesitated to add the delightful zing of pickled onions to your burgers or salads because you thought it was too much work, your luck has just changed! These quick pickled red onions are the ultimate shortcut to achieving that perfectly delicious, vibrant pickled flavor without the long wait or complicated methods. They are truly a game-changer for enhancing everyday meals.
When we say “shortcut,” we want to be absolutely clear: this doesn’t mean these quick pickles are inferior to their traditionally preserved counterparts. On the contrary, they offer an equally fantastic flavor profile, often preferred for their crisp texture and immediate gratification. The key difference lies in the process – it’s significantly faster and simpler. In fact, they’re ready to enjoy in just 2 hours, and there’s absolutely no need for a stovetop, boiling brine, or complex canning procedures. This recipe removes all the barriers, making homemade pickled onions an effortless addition to your culinary repertoire.

Essential Ingredients for Quick Pickled Red Onions
The beauty of this recipe lies in its simplicity. You only need five basic ingredients, most of which you likely already have in your pantry, to create these fantastic quick pickled onions. Here’s a closer look at everything you’ll need and why each component is vital:
- Red Onion: The star of the show. Red onions are preferred for their beautiful purple hue, which transforms into a stunning pink when pickled, and their slightly sweeter, milder flavor compared to white or yellow onions.
- Apple Cider Vinegar: Adds a fruity, slightly mellow tang to the brine. It contributes to the complex flavor profile.
- White Vinegar: Provides a sharp, clean acidity that is crucial for pickling and helps balance the sweetness from the sugar.
- Sugar: A small amount of sugar (white, brown, or coconut) is essential not just for sweetness, but also to balance the vinegars’ acidity and round out the overall flavor. It prevents the pickles from being overly sour.
- Salt: Absolutely vital for pickling! Salt helps draw out moisture from the onions, enhances their flavor, and contributes to the crispness. Do not skip this ingredient.
Choosing the Best Onions for Pickling
What type of onion works best for quick pickled onions?
While you can use various types of onions for pickling, we wholeheartedly recommend red onions. Their inherent sweetness is a perfect match for the tang of the pickling brine, resulting in a balanced and incredibly delicious condiment. Beyond flavor, the vibrant purple color of red onions transforms into a beautiful bright pink when pickled, adding an attractive visual element to your dishes.
However, if red onions aren’t available, don’t fret! You absolutely can use white or yellow onions. White onions tend to be sharper and more pungent, while yellow onions offer a good all-around onion flavor. The key is to use what you have on hand – the pickling process will still mellow their strong flavors and add that desirable tang. Regardless of the onion type, the process remains the same, ensuring you get fantastic results every time.
Step-by-Step Guide: How to Quick Pickle Onions
Making these quick pickled red onions is incredibly straightforward. Follow these simple steps for perfect results:
- Prepare the Onions: Begin by thinly slicing your chosen onion (red, white, or yellow). You can opt for strips or rounds, depending on your preference. Remember, the thinner you slice the onions, the quicker they will absorb the brine and achieve that desirable pickled texture. Set the sliced onions aside.
- Craft the Brine: In a clean mason jar or any airtight container, combine the apple cider vinegar, white vinegar, sugar, and salt. Secure the lid tightly and give the jar a good shake until the sugar and salt have completely dissolved into the vinegar solution. This ensures an even distribution of flavors.
- Combine Onions and Brine: Remove the lid from the mason jar. Carefully add the thinly sliced onions into the vinegar mixture. Make sure all the onion slices are submerged in the liquid. If they’re not fully covered, gently press them down or add a tiny bit more vinegar until they are.
- Refrigerate for Flavor Infusion: Place the covered jar of pickled onions in the refrigerator. For a noticeable pickle, allow them to sit for at least 2 hours. For the absolute best and most developed flavor, let them marinate overnight. The longer they sit, the more the flavors will meld and deepen.
- Serve and Enjoy: Once sufficiently pickled, your quick pickled red onions are ready! Drain any excess brine (though a little is fine) and add them to your favorite dishes. They are incredibly versatile and sure to become a staple.
Pro Tip for Perfectly Sliced Onions!
Achieving consistently thin, even slices is key for quick pickling, as it allows the brine to penetrate faster and more uniformly. If you’re aiming for professional-looking, perfectly uniform onion slices, we highly recommend using a mandolin slicer. It’s a tried-and-true kitchen tool that ensures every slice is the same thickness, dramatically speeding up the pickling process and improving the texture. Always use the safety guard when operating a mandolin!

Customizing Your Quick Pickled Onions: Ingredient Swaps
One of the great things about this recipe is its flexibility. While the core ingredients yield fantastic results, you can easily make a few swaps to suit your taste or what you have on hand:
- Sweetener Alternatives: If you prefer to avoid refined sugar or simply want a different flavor profile, you can easily substitute white sugar with other natural sweeteners. Honey or maple syrup work wonderfully, adding their own subtle notes to the pickled onions. Adjust the amount to your desired level of sweetness.
- Vinegar Variations: While the combination of apple cider vinegar and white vinegar offers a balanced and classic taste, you can absolutely experiment. If you only have one type of vinegar, simply use 1 cup of either apple cider vinegar or white vinegar. Other vinegars like rice vinegar (for a milder taste) or even red wine vinegar (for a bolder flavor) can also be used, though they will slightly alter the final taste.
- The Importance of Salt: We cannot stress this enough – do not skip the salt in this recipe! Salt is a critical component in pickling, not just for flavor, but also for its role in drawing out moisture from the onions, which contributes to their crispness and proper pickling action.
- Optional Flavor Boosters: For an extra layer of flavor, consider adding a few whole peppercorns, a bay leaf, a pinch of red pepper flakes for heat, or a sprig of fresh dill or thyme to the jar with your onions.
How to Cut Onions for Quick Pickled Onions?
The way you cut your onions can impact both the pickling time and the final presentation. We often opt for cutting our onions into thin rounds because they look lovely and have a nice bite. However, slicing them into thin strips (half-moons) works just as well and is often easier for many. The most important factor, regardless of shape, is to ensure your onion slices are thin. The thinner the slices, the more surface area is exposed to the pickling brine, which means they will absorb the flavors and pickle much faster, yielding tender-crisp results in less time. Aim for slices that are about 1/8 to 1/16 inch thick.
How Long Does It Take for Onions to Pickle?
One of the best features of this “quick” pickle recipe is its speed! You’ll start noticing a change in the onions’ texture and flavor in as little as 30 minutes. However, to truly enjoy the full tangy and sweet experience, we recommend letting your onions pickle for at least 2 hours in the refrigerator before serving. For optimal flavor development – where the onions become wonderfully tender-crisp and deeply infused with the brine – allowing them to sit overnight is ideal. This extra time allows the acidity and sweetness to penetrate fully, resulting in a more complex and satisfying pickle.
How Long Do Quick Pickled Onions Last?
When properly stored, these quick pickled red onions have a good shelf life in the refrigerator. If kept in an airtight container, such as a mason jar or a glass meal prep container, they can last for up to 2 weeks. Their flavor actually deepens and improves over the first few days, making them an excellent make-ahead condiment. Always ensure they are submerged in the brine for best preservation and freshness.

Best Storage for Pickled Onions
To maximize their freshness and shelf life, it’s essential to store your quick pickled red onions correctly. Always transfer them to an airtight container. Mason jars are an excellent choice due to their tight-sealing lids, which prevent air exposure. Glass meal prep containers with secure covers also work perfectly. Ensure the onions remain submerged in the pickling liquid for optimal preservation and to maintain their vibrant color and crisp texture. Store them in the refrigerator, and they’ll be ready to brighten up your meals for up to two weeks.
Creative Ways to Serve Your Quick Pickled Red Onions
The versatility of quick pickled red onions is truly astonishing! Their tangy, sweet, and slightly crunchy profile makes them a fantastic addition to almost any savory dish, adding a burst of flavor that elevates your meal. Here are some of our favorite ways to enjoy them:
- On Burgers and Sandwiches: They are an absolute dream topping for any burger, from classic beef patties to veggie options. Try them with our Roasted Garlic Black Bean Quinoa Burger or our juicy Mexican Juicy Lucy for an incredible flavor boost. They also transform simple deli sandwiches and grilled cheeses.
- Tacos, Burritos, and Nachos: A sprinkle of pickled red onions adds a much-needed zing to Mexican-inspired dishes. They cut through the richness of meats and cheeses beautifully.
- Eggs and Breakfast Dishes: Brighten up your scrambled eggs, omelets, avocado toast, or breakfast burritos with a spoonful of these tangy onions.
- Salads and Grain Bowls: Pickled onions are fantastic for adding a pop of color and flavor to any salad. Serve them over our Simple Smoked Chicken Salad, or incorporate them into your favorite delicious salad recipes and grain bowls for a delightful tang.
- Hot Dogs and Sausages: Move beyond mustard and ketchup! Pickled onions offer a gourmet touch to hot dogs, brats, and other grilled sausages.
- Charcuterie Boards: Their vibrant color and sharp flavor make them an excellent addition to cheese and charcuterie platters, pairing well with various cheeses and cured meats.
- Roasted Vegetables: A simple side of roasted broccoli or Brussels sprouts can be transformed with a scattering of pickled red onions.
- Fish and Seafood: The acidity of pickled onions is a wonderful complement to rich fish like salmon or flaky white fish tacos.
Pickled onions are truly versatile on salads to add a bit of tang and sweetness! Serve them over any of our delicious salad recipes for an instant upgrade!

Discover More of Our Favorite…
Onion-Centric Recipes
If you love the flavor of onions as much as we do, you’ll definitely want to explore these other fantastic recipes that feature this versatile ingredient:
- How to Make Caramelized Onions in the Oven
- Roasted Garlic Caramelized Onion Dip
- Easy Grilled Peppers and Onions
Quick Pickled Onions Recipe
This pickled onion recipe is incredibly simple, ready in less than 2 hours, and requires only 5 basic ingredients! It’s the perfect way to add a bright, tangy kick to any meal.
By: Linley Hanson
Prep Time: 10 mins
Cook Time: 0 mins
Total Time: 10 mins (plus 2 hours chilling)
Servings: 4
Ingredients
- 1/2 cup apple cider vinegar
- 1/2 cup white vinegar
- 1 teaspoon salt
- 1/4-1/2 teaspoon sugar (white, brown, or coconut)*
- 1 large red onion, thinly sliced
Instructions
- First, combine the apple cider vinegar, white vinegar, salt, and sugar in a clean mason jar or airtight container. Secure the lid and shake the jar vigorously until both the salt and sugar have fully dissolved.
- Next, add the thinly sliced onion to the jar. Ensure that all of the onion slices are completely submerged in the vinegar solution.
- Place the lid back on the jar and give it one final gentle shake to ensure the onions are well coated.
- Finally, place the jar in the refrigerator for a minimum of 2 hours. For the most intense and delicious quick pickled onion flavor, allow it to sit overnight.
Tips & Notes
- You can adjust the amount of sugar to your liking; add a bit more if you prefer sweeter pickled onions.
- Storage: Store the quick pickled onions in an airtight container in the refrigerator for up to 2 weeks. Ensure they remain covered by the brine.
Nutrition
Calories: 13 kcal, Carbohydrates: 2 g, Protein: 0 g, Fat: 0 g, Fiber: 0 g, Sugar: 1 g
Nutrition information is automatically calculated and should only be used as an approximation.
Photography: Photos for this post were beautifully captured by Erin from The Wooden Skillet.