Embark on a culinary adventure as we unveil the secrets to crafting perfectly tangy pickled red onions, a vibrant condiment capable of transforming any ordinary meal into an extraordinary culinary delight. These ruby-hued rings are more than just a garnish; they are a flavor powerhouse, offering a delightful crunch, a zesty tang, and a subtle sweetness that cuts through richness and brightens every bite. From elevating your weeknight tacos and gourmet burgers to adding a sophisticated touch to bagels with lox, pickled red onions are incredibly versatile. They effortlessly infuse a burst of zest and a beautiful pop of color, making your favorite casual dishes feel fresh, exciting, and utterly irresistible. Prepare to discover how this simple addition can revolutionize your kitchen and delight your taste buds with minimal effort and maximum impact.

Welcome to Basics by The BakerMama
This how-to series, Basics by The BakerMama, was created to empower beginner cooks. My goal is to help you hone your skills, maximize your time in the kitchen, and most importantly, create wonderful family memories around food. I genuinely hope you find these simple guides enjoyable and incredibly helpful on your cooking journey!
Why You Need Pickled Red Onions in Your Life: Versatility Beyond Imagination
Imagine a single ingredient that can elevate nearly any casual meal, adding a layer of sophisticated flavor and a visual pop. That’s precisely what pickled red onions do! With their subtly sweet and tangy zip, these vibrant crimson rings possess an almost magical ability to make just about any dish more delicious, more interesting, and undeniably crave-worthy. My family and I can’t get enough of them. We love adding pickled onions to so many things: classic sandwiches, juicy burgers, loaded hot dogs, authentic carnitas tacos, and refreshing salads. But their versatility doesn’t stop there!
We’ve found them to be the perfect counterpoint to smoky BBQ, a brilliant addition to creamy avocado toast, and an absolute essential alongside bagels and lox, where their bright acidity beautifully cuts through the richness. Seriously, if I could find a way to incorporate them into dessert, you can bet I’d give it a try! The best part? Pickling onions is incredibly easy. All you need is a red onion, a few basic pantry staples, and about 30 minutes, and you’ll have a batch of these peppy, flavorful onions ready to transform your meals.
Unlock new flavor dimensions by adding pickled onions to these recipes:
- Build-Your-Own Burger Board
- Ultimate Sandwich Board
- Breakfast Tacos
- Hot Dog Board
Enough talk about how amazing they are – let’s get right to making them!

Mastering the Quick Pickle Technique: How to Pickle Red Onion
The process of quick pickling red onions is surprisingly straightforward, requiring minimal equipment and even less fuss. This method results in beautifully vibrant, crunchy, and irresistibly tangy onions that are ready to enjoy in less than an hour. Here’s a detailed breakdown of each simple step to ensure perfect results every time.
- Preparation is Key: Slicing Your Onion
Begin by peeling your red onion. Then, using a sharp knife or a mandoline, slice it as thinly as you possibly can. Uniform, thin slices are crucial here, as they allow the onions to absorb the pickling liquid more effectively and quickly, ensuring a consistent texture and flavor throughout. Aim for slices that are almost translucent for the best results. - Crafting the Perfect Brine: The Sweet and Tangy Secret
In a small saucepan with a lid, combine the apple cider vinegar, granulated sugar, and kosher salt. These three ingredients form the foundational brine that will transform your onions. Place the saucepan over medium-high heat and cook the mixture, stirring occasionally, until it just begins to simmer and all the sugar and salt are completely dissolved. This brief heating ensures the brine components are fully integrated and ready to infuse the onions. Once dissolved, immediately turn off the heat. - The Magic of Marination: Infusing Flavor and Texture
Carefully add your thinly-sliced red onions directly into the hot vinegar mixture in the saucepan. Stir gently to ensure that all the onion slices are thoroughly coated with the hot brine. This coating process is essential for even pickling. Once coated, place the lid securely on top of the saucepan and let the onions steep and marinate for at least 30 minutes. During this time, the heat from the brine will soften the onions slightly, while the acid, sugar, and salt will begin their transformative work, creating that characteristic tangy flavor and vibrant color. - Serve and Store: Enjoying Your Pickled Creations
After 30 minutes, your pickled red onions are ready to be served immediately! Their fresh, zesty flavor is perfect for instant gratification. If you’re not planning to use them all at once, transfer the cooled pickled onions and their brine to a sealed, airtight container. Store them in the refrigerator, where they will keep beautifully for up to 2 weeks, ready to add a burst of flavor to any meal.

Tips for Perfect Pickled Red Onions
While the basic recipe is wonderfully simple, a few extra tips can elevate your pickled red onions from great to absolutely outstanding. Pay attention to these details for the best possible results.
Choosing the Right Onion
For pickling, red onions are truly ideal due to their crisp texture and beautiful color, which intensifies as they pickle. Look for firm, unblemished onions with tight skins. Avoid any that feel soft or have sprouts, as these may not yield the best texture or flavor.
Achieving the Perfect Slice
As mentioned, thin, uniform slices are crucial. A mandoline slicer is a fantastic tool for this, providing consistent results effortlessly. If using a knife, take your time to ensure each slice is as thin as possible. Thicker slices will still pickle, but they will take longer to absorb the brine and might not have the same tender-crisp texture.
Customizing Your Brine
The basic brine recipe is a perfect starting point, but don’t be afraid to experiment! For a sweeter pickle, slightly increase the sugar. If you prefer more tang, a touch more vinegar can be added. You can also play with the type of vinegar; white vinegar or rice vinegar can offer a milder flavor profile, while red wine vinegar can add a deeper, fruitier note.
Infusion Ideas: Adding Extra Flavor
To infuse your pickled onions with even more complexity, consider adding aromatics to the hot brine. A few whole black peppercorns, a bay leaf, a sprig of fresh dill, a couple of garlic cloves (thinly sliced), or even a pinch of red pepper flakes for a subtle kick can take your pickled onions to the next level. Add these aromatics to the saucepan with the vinegar, sugar, and salt, and let them simmer together.
Unleash the Flavor: Creative Serving Suggestions
The beauty of pickled red onions lies in their incredible ability to complement a vast array of dishes. Their bright, acidic profile provides a delightful contrast to rich, savory, or fatty foods, while also adding a vibrant crunch and beautiful color. Here are even more ideas to inspire your culinary creativity:
- Tacos and Burritos: Absolutely essential for any Mexican-inspired dish. They cut through the richness of carnitas, al pastor, or even simple ground beef tacos, adding a much-needed zesty counterpoint.
- Burgers and Sandwiches: Forget plain raw onion! A layer of pickled red onions on your burger, pulled pork sandwich, or grilled cheese instantly elevates the flavor profile, bringing a gourmet touch.
- Salads and Grain Bowls: Sprinkle them over any green salad, quinoa bowl, or buddha bowl for a burst of flavor, color, and texture that makes a simple dish feel exciting.
- Breakfast Staples: Beyond bagels and lox, try them on breakfast burritos, egg sandwiches, or even alongside scrambled eggs for a bright morning kick.
- Grilled Meats and BBQ: Their tanginess is a fantastic companion to grilled chicken, steak, pork chops, or any BBQ plate, providing a fresh contrast to the smoky flavors.
- Cheese Boards and Appetizers: Add a small bowl of pickled red onions to your next charcuterie or cheese board. They pair wonderfully with aged cheeses, pâtés, and cured meats.
- Avocado Toast: A simple topping that transforms avocado toast into a gourmet experience, adding zest and crunch.
Storage and Shelf Life
Proper storage ensures your homemade pickled red onions remain fresh and delicious for as long as possible. Once cooled, always transfer the onions and their pickling liquid to a clean, airtight glass jar or container. Ensure the onions are fully submerged in the liquid; this is key for preservation. Store the container in the refrigerator. Properly stored, these quick pickled red onions will maintain their excellent flavor and texture for up to two weeks. While they are safe to eat beyond this period, their crispness and vibrant flavor might start to diminish. Always use a clean utensil when removing onions from the jar to prevent contamination and extend their shelf life.
Ready to Learn More with The BakerMama?
If you’re looking to expand your culinary repertoire with more Basics by The BakerMama, there’s a world of simple yet impactful skills waiting for you. Sharpen your kitchen prowess by learning how to roast a head of garlic for deep, mellow flavor, or craft your own crunchy homemade croutons to elevate any soup or salad. Ever wonder how to get that perfect sear? Our guide on how to pan sear chicken tenderloins will ensure juicy, flavorful results every single time. And for those days when comfort food calls, discover how to make a truly great grilled cheese, guaranteed to turn a glum day into a yum yum day!
I genuinely hope you find these simple basics incredibly helpful and inspiring in your kitchen. When you create something delicious with the help of my BakerMama’s Basics series, please snap a picture and share it! Be sure to tag me on Instagram @thebakermama or join and share with our wonderful Friends of The BakerMama group. I love seeing what you’ve made, and your creations can inspire so many others! Enjoy the journey of cooking and eating wonderfully.
xoxo,

Print Recipe

Basics by The BakerMama: Quick Pickled Red Onion
- Author: The BakerMama
- Yield: Approximately 2 cups
Description
Learn how to effortlessly pickle red onions at home! This quick and easy recipe creates a tangy, vibrant condiment that adds a delicious zing to tacos, burgers, salads, and so much more. Elevate your everyday meals with this simple flavor booster.
Ingredients
- 1 large red onion
- 1 cup apple cider vinegar
- 2 teaspoons kosher salt
- 2 tablespoons granulated sugar
Instructions
- Peel the red onion and slice it as thinly as possible. For best results, use a mandoline slicer to achieve uniform, delicate rings.
- In a small saucepan with a lid, combine the apple cider vinegar, granulated sugar, and kosher salt. Place the saucepan over medium-high heat.
- Cook the mixture, stirring occasionally, until it just begins to simmer and both the sugar and salt have completely dissolved. Once dissolved, immediately remove the saucepan from the heat.
- Add the thinly-sliced red onions directly into the hot vinegar mixture. Stir well to ensure all the onion slices are thoroughly coated with the brine.
- Place the lid securely on the saucepan and let the onions marinate for at least 30 minutes. This allows the onions to soften slightly and absorb the tangy flavors.
- Serve your quick pickled red onions immediately to add a burst of flavor to your favorite dishes. Alternatively, transfer the cooled onions and their brine to a sealed container and refrigerate for up to 2 weeks.
