Pickled Red Onions Recipe

Quick & Zesty Pickled Red Onions Recipe for Fresh Flavor Boost

Crafting homemade pickled red onions brings a zesty twist to your culinary adventures.

Bold flavors burst from these vibrant, tangy slices.

Crisp and bright, they add a punch of color to countless dishes.

Simple ingredients transform ordinary meals into extraordinary experiences.

Mexican and Mediterranean cuisines particularly love these quick-preserved gems.

Restaurants and home cooks alike appreciate their versatile nature.

Your next plate will thank you for this simple, delicious condiment.

Pickled Red Onions That Add A Punch Of Flavor

  • Boost Flavor Instantly: Transform bland dishes with these tangy, vibrant red onions that add a zesty punch to salads, sandwiches, tacos, and grilled meats.
  • Customize with Ease: Adjust spice levels by tweaking red pepper flakes or experiment with different vinegars to create a personalized pickling experience that matches your taste preferences.
  • Quick Gourmet Touch: Elevate any meal from ordinary to extraordinary with minimal effort, turning simple ingredients into a professional-level condiment that impresses family and friends.
  • Healthy Preservation Hack: Pack a nutritional boost with probiotic-rich pickled onions that not only enhance meals but also support digestive health through natural fermentation process.

What You Need For Pickled Red Onions

Main Ingredients:
  • Red Onions: Fresh, crisp onions that provide a sharp and tangy base for pickling.
Pickling Liquid:
  • Apple Cider Vinegar, Water: Acidic base that creates the signature tangy flavor and preserves the onions.
  • Sugar, Salt: Essential for balancing the acidity and enhancing the overall flavor profile of the pickled onions.
Aromatic and Flavor Enhancers:
  • Garlic Clove, Black Peppercorns, Bay Leaf, Red Pepper Flakes: Spices and herbs that add depth, complexity, and subtle heat to the pickling liquid.

How To Make Pickled Red Onions In A Snap

Step 1: Prep Red Onions

Slice red onions into thin, uniform half-moons with a sharp knife. Make sure each slice looks consistent to ensure even pickling and texture.

Step 2: Crush Garlic

Gently press the garlic clove to release its aromatic oils. Don’t completely smash it – just enough to wake up those incredible flavors.

Step 3: Layer Onions in Jar

Take a clean glass jar and carefully arrange the sliced onions inside. Tuck the crushed garlic between onion layers to distribute flavor evenly.

Step 4: Create Pickling Liquid

In a saucepan, combine:
  • Apple cider vinegar
  • Water
  • Sugar
  • Salt

Whisk ingredients together until sugar and salt completely dissolve into a smooth liquid.

Step 5: Enhance Flavor Profile

Add spices to the pickling liquid for extra depth:
  • Black peppercorns
  • Bay leaf
  • Red pepper flakes

Step 6: Simmer Liquid

Heat the pickling mixture over medium heat, bringing it to a gentle simmer. Stir occasionally to prevent any burning or sticking.

Step 7: Pour Hot Liquid

Carefully pour the hot pickling liquid over the onions in the jar. Ensure every single onion slice gets completely covered by the liquid.

Step 8: Cool and Settle

Let the mixture cool at room temperature for 15-20 minutes. This resting period helps onions soften and absorb all those delicious flavors.

Step 9: Refrigerate

Seal the jar with a tight lid and pop it in the refrigerator. Wait at least an hour before serving, but for maximum flavor, let it sit for 24 hours.

Step 10: Store and Enjoy

Your pickled onions will stay fresh and crisp in the refrigerator for up to two weeks. Use them on tacos, salads, sandwiches, or anywhere you want a tangy crunch!

Tips To Get Pickled Red Onions Just Right

  • Slice Strategically: Use a sharp knife to create uniform half-moons, ensuring even pickling and consistent texture throughout the batch.
  • Flavor Boost: Add whole spices like peppercorns or red pepper flakes to create depth and complexity in your pickling liquid.
  • Quick Cooling Technique: Let the hot pickling liquid cool slightly before pouring over onions to prevent overcooking and maintain crisp texture.
  • Perfect Preservation: Store in an airtight glass jar and refrigerate for maximum freshness, with flavors developing beautifully over 24 hours.
  • Versatile Serving Tip: Use these tangy pickled onions as a zesty topping for salads, tacos, sandwiches, or charcuterie boards to add bright, acidic kick.

Ways To Change Up Pickled Red Onions

  • Spicy Jalapeño Kick: Add sliced fresh jalapeños to the pickling liquid for a fiery heat that complements the tangy onions.
  • Mediterranean Herb Blend: Incorporate dried oregano, thyme, and rosemary into the pickling mixture for an aromatic Mediterranean-inspired flavor profile.
  • Smoky Chipotle Version: Mix in chipotle peppers in adobo sauce to create a deep, smoky undertone that elevates the pickled onions.
  • Citrus Infusion: Include orange or lime zest during the pickling process to introduce a bright, citrusy dimension to the traditional recipe.

What To Pair With Pickled Red Onions

  • Tangy Taco Topper: Elevate street tacos with these zesty pickled red onions, adding bright acidity and crunch to carnitas, al pastor, or grilled fish tacos.
  • Charcuterie Champion: Scatter these pickled onions across a cheese board, pairing brilliantly with sharp cheddar, creamy goat cheese, and salty cured meats like prosciutto.
  • Sandwich Spark: Transform boring sandwiches by layering these tangy onions on grilled cheese, roast beef, or veggie wraps for an instant flavor explosion.
  • Cocktail Companion: Mix these pickled onions into a classic bloody mary or dirty martini, creating a sophisticated garnish that adds unexpected tang and visual appeal.

Storing Pickled Red Onions The Smart Way

  • Transfer cooled pickled onions to an airtight glass container and store in the refrigerator, keeping them fresh and crisp for up to 2 weeks.
  • Always use clean, dry utensils when removing onions from the jar to prevent bacterial contamination and extend shelf life.
  • Inspect pickled onions weekly for any signs of mold, off-odors, or discoloration, discarding if any unusual changes occur.
  • Ensure jar lid is tightly closed after each use to preserve flavor and prevent potential spoilage from external contaminants.

Pickled Red Onions FAQs For Quick Answers

  • Are pickled red onions healthy?

Pickled red onions are nutritious, low in calories, and packed with probiotics that support gut health. They provide vitamin C, antioxidants, and can help boost immune system function.

  • Can I use white vinegar instead of apple cider vinegar?

Yes, white vinegar works perfectly. It provides similar acidity and pickling results, though apple cider vinegar offers a slightly sweeter, more complex flavor profile.

  • How spicy will the pickled onions be?

The red pepper flakes add mild heat. If you prefer less spice, reduce or omit the flakes. For more kick, increase the amount to suit your taste preference.

  • Do I need special equipment to make pickled onions?

No special equipment required.

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Pickled Red Onions Recipe

Pickled Red Onions Recipe


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4.7 from 34 reviews

  • Total Time: 1 hour 13 minutes (including cooling and refrigeration)
  • Yield: 4 1x

Description

Zesty Mexican Pickled Red Onions bring tangy, colorful magic to your plate with minimal effort. Crisp, jewel-toned slices deliver bold flavor that elevates sandwiches, tacos, and salads while making you look like a culinary genius.


Ingredients

Scale

Produce:

  • 2 medium red onions
  • 1 clove garlic

Pickling Liquid:

  • 1/2 cup apple cider vinegar
  • 1/2 cup water
  • 2 tbsp granulated sugar
  • 1 tsp salt

Seasonings and Optional Spices:

  • 1/2 tsp black peppercorns
  • 1 bay leaf
  • 1 pinch red pepper flakes (optional)

Instructions

  1. Peel and slice red onions into thin, uniform half-moons, ensuring even cuts for consistent pickling and texture.
  2. Crush garlic clove lightly to release aromatic oils without completely breaking it apart.
  3. In a clean glass jar, layer sliced onions and gently nestle crushed garlic between onion layers.
  4. Combine apple cider vinegar, water, sugar, and salt in a saucepan, whisking until sugar and salt completely dissolve.
  5. Add black peppercorns, bay leaf, and red pepper flakes to the pickling liquid for enhanced flavor complexity.
  6. Bring liquid mixture to a gentle simmer over medium heat for 2-3 minutes, stirring occasionally to prevent scorching.
  7. Carefully pour hot pickling liquid over onions in the jar, ensuring all onion slices are completely submerged.
  8. Allow mixture to cool at room temperature for 15-20 minutes, which helps onions soften and absorb flavors.
  9. Seal jar with a tight-fitting lid and refrigerate for at least 1 hour before serving, though flavor develops best after 24 hours.
  10. Pickled onions will remain fresh and crisp in refrigerator for up to 2 weeks when stored properly.

Notes

  • Select firm, bright red onions with smooth skin for the best pickling results and vibrant color.
  • Use apple cider vinegar for a slightly sweet, mellow tang that complements the onions’ natural sharpness.
  • Experiment with different spice combinations like whole cloves, mustard seeds, or fresh thyme sprigs to customize flavor profile.
  • Adjust sugar levels for a more tangy or sweeter pickle depending on personal preference or intended dish pairing.
  • Prep Time: 10 minutes
  • Cook Time: 3 minutes
  • Category: Appetizer, Snacks, Dinner
  • Method: Pickling
  • Cuisine: Mexican

Nutrition

  • Serving Size: 4
  • Calories: 30
  • Sugar: 2.5 g
  • Sodium: 250 mg
  • Fat: 0 g
  • Saturated Fat: 0 g
  • Unsaturated Fat: 0 g
  • Trans Fat: 0 g
  • Carbohydrates: 7 g
  • Fiber: 0 g
  • Protein: 0.5 g
  • Cholesterol: 0 mg
Truc Tran (Kris)

Truc Tran (Kris)

Senior Food Editor

Expertise

Home Cooking, Meal Planning, Recipe Development, Baking and Pastry, Food Editor, Cooking-video Maker, Vietnamese Food Evaluation Expert

Education

  • Hospitality (Commercial Cookery) at TasTAFE
  • Culinary Arts at Kendall College (Australia Branch in Sydney)
  • Vietnamese Cuisine Head Chef at HNAAu School (Vietnam, International Joint Training Program)

Truc Tran (Kris), an experienced food writer and editor, is great at exploring and describing global cuisines, from simple street food to fancy dining. In her writing, she skillfully mixes different flavors, cooking methods, and culinary traditions, showing the unique character of various cultures through their food and drinks. On azcuisines.com, Kris highlights her knowledge, especially in Asian cuisine and worldwide traditional dishes.

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