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Pickled Cherry Tomatoes, Red Onions, and Cucumbers

Published: Apr 8, 2025 by Sue · This post may contain affiliate links · Leave a Comment

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This quick pickled mix of cherry tomatoes, red onions, and cucumbers is crisp, tangy, and bursting with flavor. It’s a vibrant, refreshing side or topping that I love to keep in the fridge to brighten up sandwiches, salads, and grain bowls.

Pickled Cherry Tomatoes, Red Onions, and Cucumbers

Why You’ll Love This Recipe

I love how easy this recipe is to throw together with just a few ingredients. The vegetables stay crisp and colorful, and the tangy, slightly sweet brine adds so much flavor. It’s a great way to use up extra produce and gives my meals a fresh, zesty boost. Best of all, there's no need for canning.

ingredients

(Here's a tip: Check out the full list of ingredients and measurements in the recipe card below.)

  • Cherry tomatoes
  • Red onions
  • Cucumbers
  • White vinegar or apple cider vinegar
  • Water
  • Sugar
  • Salt
  • Garlic cloves (optional)
  • Whole peppercorns (optional)
  • Fresh herbs like dill or parsley (optional)

directions

  1. I slice the cucumbers and red onions thinly, and I leave the cherry tomatoes whole or cut them in half if they’re large.
  2. I pack the vegetables tightly into clean jars or containers.
  3. In a saucepan, I combine the vinegar, water, sugar, and salt. I bring it to a boil, then remove it from heat.
  4. If I’m using garlic, peppercorns, or herbs, I add them to the jars with the vegetables.
  5. I carefully pour the hot brine over the vegetables until they’re fully submerged.
  6. I let them cool to room temperature before sealing and refrigerating.
  7. I wait at least 4 hours before eating, but they taste even better after 24 hours.

Servings and timing

This recipe makes about 2-3 pint-sized jars, which serves around 6-8 people as a side or topping. Prep time is 10 minutes, and the brine takes just 5 minutes to make. I recommend chilling for at least 4 hours before serving.

Variations

Sometimes I add sliced jalapeños or red pepper flakes for heat. Swapping white vinegar for rice vinegar gives it a milder taste. I’ve also tossed in carrot slices or radishes for extra crunch and color. For a more herbaceous flavor, I use fresh thyme or rosemary.

storage/reheating

I store the pickled vegetables in sealed jars in the fridge for up to 2 weeks. There’s no need to reheat them—just scoop out what I need and serve cold or at room temperature.

FAQs

Do I have to use a specific type of vinegar?

I usually use white vinegar or apple cider vinegar, but rice vinegar or white wine vinegar also works well.

Can I reuse the pickling brine?

Yes, I sometimes reuse it once for a second batch, but the flavor will be slightly less intense.

How do I keep the vegetables crisp?

I slice the cucumbers thicker and don’t overcook the brine. Cooling the veggies quickly in the fridge helps too.

Are these safe for long-term storage?

No, since they aren’t canned, I keep them refrigerated and use them within two weeks.

Can I pickle other vegetables with this brine?

Absolutely. I’ve used it for radishes, carrots, green beans, and even cauliflower.

Conclusion

These pickled cherry tomatoes, red onions, and cucumbers are a simple and delicious way to add brightness and crunch to my meals. They’re easy to make, endlessly adaptable, and always add that perfect tangy kick. I love having a jar or two on hand for whenever I need a flavor boost.

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Pickled Cherry Tomatoes, Red Onions, and Cucumbers

Pickled Cherry Tomatoes, Red Onions, and Cucumbers

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  • Author: Sue
  • Prep Time: 10 minutes
  • Cook Time: 5 minutes
  • Total Time: 15 minutes + chilling
  • Yield: Small jars (serves 6–8)
  • Category: Side Dish, Condiment
  • Method: Quick Pickling
  • Cuisine: American
  • Diet: Vegan
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Description

These quick pickled cherry tomatoes, red onions, and cucumbers are crisp, tangy, and bursting with flavor. This easy no-canning recipe comes together in minutes with vinegar, garlic, herbs, and spices. A perfect topping for salads, sandwiches, and grain bowls—or a refreshing side dish ready in just a few hours!


Ingredients

  • Cherry tomatoes (whole or halved)
  • Red onions (thinly sliced)
  • Cucumbers (thinly sliced)
  • White vinegar or apple cider vinegar
  • Water
  • Sugar
  • Salt
  • Garlic cloves (optional)
  • Whole peppercorns (optional)
  • Fresh herbs like dill or parsley (optional)

Instructions

  1. Slice cucumbers and red onions thinly; leave cherry tomatoes whole or halve if large.
  2. Pack the vegetables into clean jars or containers.
  3. In a saucepan, combine vinegar, water, sugar, and salt. Bring to a boil, then remove from heat.
  4. If using garlic, peppercorns, or herbs, add them to the jars.
  5. Pour the hot brine over the vegetables until fully submerged.
  6. Let cool to room temperature, then seal and refrigerate.
  7. Chill for at least 4 hours before serving, or overnight for best flavor.

Notes

  • Add sliced jalapeños or red pepper flakes for spice.
  • Use rice vinegar for a milder flavor for a more floral note.
  • Try adding radishes, carrots, or green beans for variety.
  • Store in the fridge for up to 2 weeks—no canning needed.
  • Best served cold or at room temperature.

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Hey there! I'm Sue, a mom, a wife, and someone who’s always in the kitchen trying out new recipes or revisiting old ones that remind me of family gatherings and special moments.

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