Preserves

Quick Pickled Red Onions & Cucumbers

Bright pink crispy pickled red onion and cucumber ribbons for tacos, burgers, and grain bowls.

August 8, 2025 By Chef Clara 4.8 (230 votes)
Quick Pickled Red Onions & Cucumbers
The Quick Takeaway

In a nutshell: This authentic american quick pickled red onions & cucumbers comes together in just 15 mins using simple whole ingredients. Perfect for home cooks seeking a dependable, restaurant-quality finish with minimal effort.

Prep Time 10 mins
Cook Time 5 mins
Total Time 15 mins
Cuisine American
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Add a pop of bright color and tangy crunch to any dish in just 10 minutes with this quick refrigerator pickle method.

Key Equipment

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Chef's Pro-Tips

  • Use Kosher or Pickling Salt: Table salt contains anti-caking agents that make pickling brine cloudy. Pure pickling or kosher salt preserves crystalline clarity.
  • Cool Brine Slightly for Crunch: For quick refrigerator pickles, let boiling brine cool for 5 minutes before pouring over vegetables to preserve crisp crunchiness.

Ingredients
8 servings

  • 1 large red onion, thinly sliced
  • 1 medium English cucumber, sliced into thin ribbons
  • ½ cup apple cider vinegar
  • ½ cup warm water
  • 1 tbsp maple syrup or sugar
  • 1 ½ tsp fine sea salt
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Step-by-Step Instructions

1

Pack Jar

Pack sliced red onions and cucumber ribbons tightly into a clean glass jar.

2

Dissolve Brine

Whisk cider vinegar, warm water, maple syrup, and sea salt until dissolved.

3

Submerge & Chill

Pour brine over vegetables in jar. Let stand at room temperature for 30 minutes until bright pink, then store in fridge.

Chef Clara's Kitchen Picks

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Frequently Asked Questions

Stored in a sealed jar in the fridge, they keep about 2 weeks. They are brightest and crunchiest in the first week.

Yes. White vinegar or rice vinegar both work. Apple cider vinegar, as written, adds a fruitier background note.

That rest at room temperature is when the onions turn bright pink and the brine soaks in. Longer is fine too; the flavor only gets better.

The same brine works for radishes, carrots, or jalapeƱos. Keep the vegetable-to-brine ratio similar and slice everything thin.