Tangy, bright pink pickled red onions
Quick Pickled Onions
Prep Time
10 min
Cook Time
2 min
Total Time
42 min
Servings
16
2 cups
Difficulty
Easy
Cost
Budget
$
Quick Pickled Onions
Tangy, bright pink pickled red onions
★4.5(24)
Vibrant pink pickled red onions that add a tangy, crunchy pop to tacos, salads, sandwiches, and grain bowls. Ready in just 30 minutes with simple pantry staples.
10m
Prep Time
2m
Cook Time
42m
Total Time
16
Servings
Easy
Difficulty
Budget $
Cost
Sarah Chen
(Updated )
Quick-pickled onions are the easiest way to elevate almost any dish. The hot vinegar brine tames the raw onion's bite while preserving its crunch and turning it a stunning shade of magenta.
Mexican cuisine is one of the most vibrant and flavor-forward traditions in the world. This recipe captures that spirit with accessible ingredients and techniques.
Mexican cuisine is one of the world's great culinary traditions, built on generations of knowledge about how to coax maximum flavor from simple ingredients. Quick Pickled Onions captures that spirit with a combination of bold spices, fresh elements, and time-tested techniques that work beautifully in any home kitchen.
The best side dishes complement without competing. They should add contrast to the main course — something bright alongside something rich, something crunchy alongside something soft. Think about the whole plate when you cook, and your meals will feel more complete and satisfying.
Ingredients
- 1 large red onion, thinly sliced
- 1 cup apple cider vinegar or white vinegar
- 1 cup warm water
- 1 tbsp sugar
- 1.5 tsp salt
- Optional: 1 bay leaf, peppercorns, or oregano
Instructions
- 1
Thinly slice red onion into half-rings or rings and pack into a clean glass jar.
- 2
Combine vinegar, warm water, sugar, and salt in a measuring cup. Stir until dissolved.
- 3
Pour the brine over the onions, making sure they are fully submerged.
- 4
Let sit at room temperature for 30 minutes for mild pickling, or refrigerate for deeper flavor.
- 5
They are ready to eat after 30 minutes but improve over the next 24 hours.
Serving Suggestions
Ways to Serve This Dish
Serve with warm corn tortillas and fresh lime wedges
Top with crumbled queso fresco and sliced avocado
Pair with a side of Mexican rice and refried beans
Serve with classic coleslaw and cornbread on the side
Substitutions
Red onionWhite onion or shallots
Less colorful but equally delicious
Apple cider vinegarRed wine vinegar or lime juice
Each gives a slightly different flavor profile
Tips & Storage
Pro Tips
Slice the onions as thin as possible for the quickest pickling and best texture.
Add a sliced jalapeno, garlic cloves, or cumin seeds to the brine for extra flavor.
Let the protein rest for 5-10 minutes after cooking to allow the juices to redistribute for maximum tenderness.
Season each component individually rather than seasoning at the end — this builds deeper, more complex flavor throughout.
Storage
Store leftovers in an airtight container in the refrigerator for up to 4 days. For longer storage, freeze individual portions in freezer-safe containers for up to 3 months. Label with the date and recipe name.
Reheating
Reheat in a 350°F oven for 15-20 minutes until warmed through, or microwave individual portions for 2-3 minutes. Add a splash of broth or water to prevent drying. Stovetop reheating over medium-low heat is also effective.
Recipe Notes from Our Kitchen
Editor's Note
Editor's note: Season assertively. Side dishes that taste perfectly seasoned on their own will complement the main course rather than fading into the background.
Nutrition Facts
Per serving (0mg) · 16 servings
Calories10
LowModerateHigh
A light, low-calorie option · based on a 2,000 cal daily diet
Protein0g
Carbohydrates0g
Fat2g
Fiber110mg
Sugar0g
Sodium1g
Nutritional values are approximate and may vary based on specific ingredients and preparation methods.
Frequently Asked Questions
- Why are my pickled onions pink?
- The acid in vinegar reacts with the anthocyanins in red onions, creating the vibrant pink color.
- Can I reuse the brine?
- Yes, for one more batch. After that, the brine loses its potency.
- Can I make this ahead?
- Yes. Most side dishes hold well for up to 2 days in the refrigerator. Reheat in the oven at 350 degrees for 10 to 15 minutes, or on the stovetop over medium heat.
- Can I double this recipe?
- This scales easily. Use a larger sheet pan or cooking vessel to avoid crowding, which leads to steaming rather than browning. You may need to increase cooking time by a few minutes.
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About Sarah Chen
Sarah Chen is a professional recipe developer and food editor with over a decade of experience in test kitchens and food media. She trained at the Culinary Institute of America before spending six years developing and testing recipes for national food publications, where she honed her ability to translate restaurant techniques into approachable home cooking. At RecipePool, Sarah leads recipe development, ensuring every dish is tested at least three times for clarity, accuracy, and genuine deliciousness. When she is not in the kitchen, she is browsing farmers markets and collecting vintage cookbooks.
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