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Easy Spicy Pickled Cucumber With Red Onion Recipe

Hey there, fellow food lovers! Remember those summer days when you just wanted something bright, crunchy, and a little bit of a kick to liven up your plate? Well, I’ve got just the thing that will bring back all those delicious memories and become your new go-to sidekick. This Spicy Pickled Cucumber with Red Onion recipe is unbelievably simple, incredibly fast, and bursting with flavor. It’s the kind of recipe that makes you feel like a kitchen wizard, even if you’re just starting out.

Why You’ll Love Spicy Pickled Cucumber with Red Onion

  • Fast: Ready in about an hour, perfect for last-minute cravings!
  • Easy: Minimal ingredients and straightforward steps make this a breeze.
  • Giftable: Package them up in cute jars for thoughtful edible gifts.
  • Crowd-pleasing: A tangy, spicy crunch that pairs with almost anything.

Ingredients

  • 1/2 red onion, sliced: For that beautiful color and a hint of sweet oniony bite.
  • 1 English cucumber (approximately 12 inches), thinly sliced: English cucumbers have fewer seeds and a tender skin, making them perfect for pickling.
  • 1/4 cup white sugar: To balance out the vinegar and add a touch of sweetness.
  • 1/2 cup water: The base for our pickling brine.
  • 1/2 cup vinegar: White vinegar is great for a clean, crisp pickle. You can also use apple cider vinegar for a slightly different flavor profile.
  • 1 teaspoon salt: Essential for flavor and helping to draw out moisture.
  • 1 teaspoon whole peppercorns: Adds a subtle peppery warmth to the brine.
  • 2 teaspoons red pepper flakes (or more, to taste): This is where the “spicy” comes in! Adjust to your heat preference.

How to Make Spicy Pickled Cucumber with Red Onion

Alright, let’s get down to business! This is where the magic happens, and trust me, it’s easier than you think.

  1. Prep Your Veggies: First things first, let’s get those cucumbers and red onions ready. Give your English cucumber a good wash, and then thinly slice it. You can use a mandoline for perfectly uniform slices, but a sharp knife works just as well! Next, slice your red onion. Aim for nice, thin slices so they pickle beautifully.

  2. Jar it Up: Grab a clean pint-sized jar. This is important for keeping your pickles fresh and safe! Wash it thoroughly and, if you want to be extra cautious, you can sterilize it by boiling it in water for a few minutes. Now, gently place your thinly sliced cucumber and red onion into the prepared jar. Sprinkle the red pepper flakes over the top of the veggies. This is where the fun begins!

  3. Make the Brine: In a medium saucepan, combine the vinegar, water, sugar, whole peppercorns, and salt. Give it a good stir to mix everything together. Place the saucepan over medium-high heat and bring the mixture to a rolling boil. You want to make sure that sugar and salt dissolve completely.

  4. Simmer Time: Once it’s boiling, reduce the heat to low and let it simmer for about 5 minutes. This short simmer helps all those lovely flavors meld together beautifully.

  5. Pour and Seal: Carefully remove the saucepan from the heat. Now, with all the care in the world, pour that hot vinegar mixture over the cucumbers and onions in your jar. Make sure everything is submerged. Let the jar sit at room temperature to cool down completely. Once it’s cooled, pop on the lid, seal it tight, and pop it into the refrigerator. For the best flavor, let them chill for at least 1 hour before you dig in!

Substitutions & Additions

One of the best things about pickling is how customizable it is! Feel free to play around with this recipe to make it your own.

  • Vinegar Swap: While white vinegar is classic, try apple cider vinegar for a fruitier note, or even a mix of white and red wine vinegar.
  • Spice it Up (or Down!): Not a huge fan of heat? Reduce the red pepper flakes or leave them out entirely. Love it fiery? Add a pinch more, or even a sliced jalapeño to the jar!
  • Herb Garden Boost: Toss in a sprig of fresh dill, a few mustard seeds, or a clove of garlic for extra layers of flavor. These pair wonderfully with the tanginess, much like how dill complements other pickled veggies.
  • Sweeteners: If you prefer a less sweet pickle, you can slightly reduce the sugar, but be mindful that sugar helps with preservation.

Tips for Success

A few little tricks can make all the difference in getting perfectly pickled cucumbers every time!

  • Slice Thinly: The thinner you slice your cucumbers and onions, the faster and more evenly they’ll pickle.
  • Don’t Overfill: Make sure to leave a little headspace in the jar for the brine.
  • Hot Brine is Key: Pouring the hot brine over the vegetables helps to start the pickling process and ensures a better texture.
  • Patience, Young Grasshopper: While they’re technically ready in an hour, the flavors really deepen and improve after a few hours or overnight in the fridge.
  • Prep Ahead for Parties: These pickles are fantastic for barbecues or gatherings. You can make them a day or two in advance to allow the flavors to fully develop. They’re a perfect tangy counterpoint to richer dishes, much like how a good salsa can elevate tacos.

How to Store Spicy Pickled Cucumber with Red Onion

Once your pickles are perfectly chilled and ready to enjoy, you’ll want to keep them fresh. Make sure your jar is tightly sealed and always store them in the refrigerator. Properly stored, these spicy pickles will stay delicious for about 2-3 weeks. They’re so good, I doubt they’ll last that long though!

FAQs

  • Can I use regular cucumbers? Yes, you can! However, English cucumbers tend to have thinner skin and fewer seeds, which makes them ideal for quick pickling. If you use regular cucumbers, you might want to peel them and scoop out the seeds for a better texture.
  • How long do these pickles last? When stored properly in the refrigerator, they should last for about 2-3 weeks. The vinegar and salt act as natural preservatives.
  • Can I reuse the pickling liquid? While you can technically reuse the brine for another batch, the flavor might be slightly less intense, and the pickling time might need to be adjusted. It’s generally best to make a fresh batch of brine for each jar of pickles.
  • What can I serve these pickles with? Oh, the possibilities are endless! They are fantastic on sandwiches, burgers, tacos, alongside grilled meats, or even as a crunchy topping for salads. They add a delightful zing to almost any meal. They’re especially good with something hearty, like a good mac and cheese, or as a refreshing side to a spicy dish.

Looking for more quick and delicious recipes? You might want to check out our Quick Pickled Red Onions Recipe for another fantastic way to add tang to your meals, or perhaps our Blueberry Jalapeno Jam for another sweet and spicy delight! For something a bit more substantial, our Easy Chicken Scampi with Rice is always a hit!

If you enjoyed this recipe, be sure to follow us on Pinterest for even more tasty inspiration!

Spicy Pickled Cucumber with Red Onion

This Spicy Pickled Cucumber with Red Onion recipe is unbelievably simple, incredibly fast, and bursting with flavor. It’s the kind of recipe that makes you feel like a kitchen wizard, even if you're just starting out.
Prep Time 15 minutes
Cook Time 5 minutes
Total Time 1 hour 15 minutes
Course Appetizer, Side Dish
Cuisine American
Servings 4 servings

Equipment

  • Mandoline (optional)
  • sharp knife
  • Pint-sized Jar
  • Medium saucepan

Ingredients
  

For the Pickled Cucumber and Red Onion

  • 1/2 red onion red onion sliced
  • 1 English cucumber English cucumber approximately 12 inches, thinly sliced
  • 2 teaspoons red pepper flakes or more, to taste

For the Brine

  • 1/4 cup white sugar
  • 1/2 cup water
  • 1/2 cup vinegar white vinegar or apple cider vinegar
  • 1 teaspoon salt
  • 1 teaspoon whole peppercorns

Instructions
 

  • Step 1: First things first, let’s get those cucumbers and red onions ready. Give your English cucumber a good wash, and then thinly slice it. You can use a mandoline for perfectly uniform slices, but a sharp knife works just as well! Next, slice your red onion. Aim for nice, thin slices so they pickle beautifully.
  • Step 2: Grab a clean pint-sized jar. This is important for keeping your pickles fresh and safe! Wash it thoroughly and, if you want to be extra cautious, you can sterilize it by boiling it in water for a few minutes. Now, gently place your thinly sliced cucumber and red onion into the prepared jar. Sprinkle the red pepper flakes over the top of the veggies. This is where the fun begins!
  • Step 3: In a medium saucepan, combine the vinegar, water, sugar, whole peppercorns, and salt. Give it a good stir to mix everything together. Place the saucepan over medium-high heat and bring the mixture to a rolling boil. You want to make sure that sugar and salt dissolve completely.
  • Step 4: Once it's boiling, reduce the heat to low and let it simmer for about 5 minutes. This short simmer helps all those lovely flavors meld together beautifully.
  • Step 5: Carefully remove the saucepan from the heat. Now, with all the care in the world, pour that hot vinegar mixture over the cucumbers and onions in your jar. Make sure everything is submerged. Let the jar sit at room temperature to cool down completely. Once it's cooled, pop on the lid, seal it tight, and pop it into the refrigerator. For the best flavor, let them chill for at least 1 hour before you dig in!

Notes

The thinner you slice your cucumbers and onions, the faster and more evenly they’ll pickle. Make sure to leave a little headspace in the jar for the brine. Pouring the hot brine over the vegetables helps to start the pickling process and ensures a better texture. Patience, young grasshopper: While they're technically ready in an hour, the flavors really deepen and improve after a few hours or overnight in the fridge. Prep Ahead for Parties: These pickles are fantastic for barbecues or gatherings. You can make them a day or two in advance to allow the flavors to fully develop. They're a perfect tangy counterpoint to richer dishes, much like how a good salsa can elevate tacos.
Keyword Pickled Cucumber, Red Onion, Spicy Pickles

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