Hello, homemaker!
One of my favorite parts of learning to cook from scratch is discovering just how many simple things we can make at home instead of buying. Pickled onions are one of those little recipes that completely changed the way we eat.
I'll be honest—I only started making pickled onions recently, and I really wish I had started sooner.
They're incredibly simple to make, but they add so much flavor to everyday meals. Whether I'm serving tacos with homemade tortilla wraps, burgers on fresh homemade buns, sandwiches, salads, rice bowls, or roasted vegetables, I almost always reach for a jar of pickled onions from the fridge. That bright, tangy crunch makes even the simplest meal taste special.
They've quickly become a staple in our home. I also love that making them fits perfectly with the slow, intentional way we're trying to live. Instead of buying another condiment filled with preservatives or unnecessary ingredients, I can make a fresh batch in just a few minutes using pantry staples I already have. It's one more simple skill that helps us rely a little less on the grocery store and enjoy more real food around our table.
If you've never made pickled onions before, don't worry. They come together in minutes, keep well in the refrigerator, and before long you'll be looking for excuses to add them to almost everything.
Why You'll Love Pickled Onions
If you've never tried homemade pickled onions before, you're in for a treat. They're:
- Quick and easy to prepare
- Made with simple pantry ingredients
- Ready in as little as 30 minutes
- A great way to add flavor without extra cooking
- Beautifully vibrant and colorful
Now, I always keep a jar in the refrigerator because they make ordinary meals taste special.
What Do Pickled Onions Taste Like?
Pickled onions are tangy, slightly sweet, and pleasantly crunchy. The sharp bite of raw onions softens as they soak in the pickling liquid, creating a balanced flavor that's both refreshing and addictive.
They're not overwhelmingly sour, especially when you include a little sugar in the brine. Instead, they offer the perfect combination of sweet, salty, and acidic flavors.
Ingredients You'll Need
- 1 medium red onion, thinly sliced
- ½ cup white vinegar
- ½ cup apple cider
- 1 cup water
- 2 tablespoon sugar
- 1 ½ teaspoons salt
Optional additions:
- Peppercorns
- Garlic cloves
- Bay leaves
- Chili flakes for heat
Equipment
- Jars ( I use these jars.)
- Mandoline
- Spoon for mixing
How to Make Pickled Onions
Step 1: Slice the Onion
Thinly slice the red onion and place it in a clean glass jar.
Step 2: Make the Brine
Combine the vinegar, water, sugar, and salt. Heat gently and stir until the sugar and salt dissolve.
Step 3: Pour and Soak
Carefully pour the warm brine over the onions until they're completely covered.
Step 4: Cool
Allow the jar to cool to room temperature before sealing it.
Step 5: Refrigerate
Place the jar in the refrigerator. The onions will be ready in about 30 minutes, but they develop even better flavor after a few hours.
Ways to Use Pickled Onions
One of my favorite things about pickled onions is how versatile they are. Here are some delicious ways to enjoy them:
- On tacos and burritos
- In salads
- On burgers and sandwiches
- With grilled meats
- In rice bowls
- On avocado toast
- With pulled pork
- As a topping for soups
- Alongside charcuterie boards
- With Filipino breakfast favorites like tocino, tapa, longganisa, or bangus
Once you start using them, you'll probably find yourself adding them to almost everything.
How Long Do Pickled Onions Last?
Stored in an airtight jar in the refrigerator, homemade pickled onions will keep for about 2 to 3 weeks. In fact, they often taste even better after a few days as the onions soak up the brine and the flavors continue to develop.
That said, a batch rarely lasts that long in our house! We usually finish it within a few days.
Instead of throwing away the brine right away, I often reuse it for one more batch by simply adding freshly sliced onions. I only do this while the brine is still fresh—generally within about two weeks—and as long as it still smells and looks good.
One important tip: always use a clean fork or utensil when taking onions from the jar. This helps keep bacteria out and extends the life of your pickled onions.
Tips for the Best Pickled Onions
While pickled onions are incredibly simple to make, a few small tips can help you get the best flavor and texture every time.
Use Red Onions
Red onions are the most popular choice for pickling because they're naturally sweeter than white onions and create that beautiful bright pink color. The longer they sit in the brine, the more vibrant they become.
Slice Them Thinly
Thin slices absorb the pickling liquid faster, making them ready to enjoy sooner. A mandoline slicer works great if you want perfectly even slices, but a sharp knife will do the job just fine.
Don't Skip the Sugar
Even if you're trying to reduce sugar, I recommend including at least a small amount. The sweetness balances the acidity of the vinegar and helps mellow the sharpness of the onions.
Let Them Rest
Although pickled onions can be eaten after about 30 minutes, they're even better after a few hours in the refrigerator. If you can make them the night before, you'll be rewarded with even more flavor.
Experiment with Vinegars
White vinegar creates a classic tangy flavor, but you can also try:
- Apple cider vinegar for a slightly fruity taste
- Red wine vinegar for a deeper flavor
- Rice vinegar for a milder, less acidic pickle
Each option gives the onions a slightly different personality.
Pickled Onion Variations to Try
Once you've mastered the basic recipe, there are plenty of ways to customize it.
Spicy Pickled Onions
Add sliced jalapeños, red pepper flakes, or a small chili pepper to the jar for a little heat. These are especially delicious on tacos and burgers.
Garlic Pickled Onions
Drop a few smashed garlic cloves into the jar before adding the brine. The garlic infuses the onions with even more savory flavor.
Herb-Infused Pickled Onions
Fresh herbs like dill, thyme, oregano, or rosemary can add another layer of flavor to the brine.
Citrus Pickled Onions
Add a few strips of lime or orange peel to the jar for a bright citrusy twist.
Mexican-Style Pickled Onions
Mix in sliced jalapeños, peppercorns, oregano, and a splash of lime juice. These pair beautifully with tacos, burritos, and grilled meats.
My Favorite Way to Eat Pickled Onions
One of my favorite ways to enjoy pickled onions is on homemade tacos made with my homemade tortilla wraps.
The combination is absolutely delicious. The soft, warm tortillas provide the perfect base, while the pickled onions add a bright, tangy crunch that cuts through richer fillings like seasoned beef, pulled pork, shredded chicken, or even grilled vegetables.
Whenever we have taco night at home, a jar of pickled onions is always on the table. They're one of those toppings that seem simple but make a huge difference in flavor. If you've already taken the time to make homemade tortilla wraps, adding homemade pickled onions is an easy way to take your tacos to the next level.
I especially love layering them with:
- Shredded chicken tacos
- Ground beef tacos
- Carnitas-style pork
- Fish tacos
- Black bean tacos
- Grilled shrimp tacos
The sweet-tangy flavor helps balance the richness of the filling and adds a fresh pop of color to every bite.
More Ways to Serve Pickled Onions
If you're wondering how else to use them, here are even more ideas:
- Grain bowls
- Pulled pork sandwiches
- BBQ plates
- Hot dogs
- Nachos
- Quesadillas
- Burrito bowls
- Grilled chicken
- Steak and rice
- Scrambled eggs
- Avocado toast
- Potato salads
- Roasted vegetables
- Charcuterie boards
And yes, they're still amazing with Filipino breakfast favorites like tapa, tocino, longganisa, and bangus. The acidity cuts through rich and savory flavors beautifully, making every bite a little more exciting.
Looking for More Inspiring Homemade Ideas?
Take a look around the blog for more simple, from-scratch recipes and homemaking inspiration.
