Quick Pickled Red Onions
Introduction
Whether you’re dressing up a taco, layering a sandwich, or adding brightness to a rich stew, quick pickled red onions are your new secret weapon. They’re tangy, slightly sweet, and incredibly vibrant, bringing both flavor and color to any dish.
Best of all? They’re ready in 30 minutes or less, with just a few pantry staples. Once you make a batch, you’ll wonder how you ever cooked without them.
Why You’ll Love This Recipe
- Quick and easy – minimal effort, maximum impact
- Only 6 simple ingredients
- Versatile—perfect for tacos, grain bowls, burgers, and salads
- Keeps for up to 2 weeks in the fridge
- Naturally vegan and gluten-free
Ingredients
- 1 large red onion, thinly sliced
- ½ cup white vinegar
- ½ cup water
- 1 tbsp sugar
- 1½ tsp salt
- ½ tsp whole black peppercorns (optional)
- 1 garlic clove, smashed (optional)
Timing
- Prep Time: 5 minutes
- Cook Time: 2 minutes
- Rest Time: 10–30 minutes
- Total Time: 15–30 minutes
- Yield: About 1½ cups
- Calories: ~10 per tablespoon
Instructions
Step 1: Make the Brine
- In a small saucepan, combine vinegar, water, sugar, and salt.
- Bring to a gentle simmer over medium heat, stirring until the sugar and salt fully dissolve.
- Remove from heat.
Step 2: Prepare the Onions
- Thinly slice the red onion (use a mandoline for super thin slices if desired).
- Place slices into a clean glass jar or heatproof container.
- Add peppercorns and smashed garlic if using.
Step 3: Pour and Soak
- Carefully pour the hot vinegar brine over the onions.
- Press them down with a spoon to fully submerge.
- Let sit uncovered for 10 minutes at room temperature.
Step 4: Chill and Store
- Seal the jar with a lid and refrigerate.
- They’re ready in 30 minutes, but taste best after a few hours.
- Store in the fridge for up to 2 weeks.
Tips for Success
- Use a red onion for the best color and sweetness.
- Don’t boil the vinegar—just a simmer is enough to dissolve the sugar and salt.
- Want more complexity? Add a pinch of chili flakes or a bay leaf to the brine.
- For sugar-free, swap with honey, maple syrup, or stevia to taste.
Serving Suggestions
Use these pickled onions to elevate:
- Tacos – especially with Chicken Enchiladas
- Sandwiches and burgers – including Cheesy Garlic Bread Shrimp Grilled Cheese
- Salads – try with mixed greens and citrus vinaigrette
- Grain bowls or Mediterranean plates
- Deviled eggs, nachos, or charcuterie boards
- Any dish that needs a bright, acidic pop
Storage & Shelf Life
- Store in a sealed glass jar or container
- Keep refrigerated and use within 2 weeks
- Always use clean utensils when serving
More Recipes You Will Love
- Savory Steak with Roasted Potatoes
- Crockpot Nacho Dip
- Irish Pea Salad
- Burrata & Roasted Beet Salad
- Layered Cherry Cobbler
Final Thoughts
Quick Pickled Red Onions are one of those small but mighty condiments that can transform a meal. They’re fast, flavorful, and endlessly useful—an instant hit of brightness for everything from sandwiches to tacos to roasted vegetables. Make a jar today and add zing to your weeknight meals, leftovers, and lunch bowls.
Tried it? Tag @chefmaniac and show us your tangy creations! For more kitchen staples and flavor boosters, follow Jason Griffith and the ChefManiac kitchen.
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