Pickled Cherry Tomatoes Cucumber Onion

Topic: Perfect Side Dishes to Complete Any Meal

Brighten meals with crisp cherry tomatoes, cucumbers, and onions quickly pickled in a sweet-tangy brine. Ready in just four hours, this method keeps vegetables crunchy while absorbing aromatic notes from garlic, mustard seeds, and dill. No canning needed—just layer vegetables in a jar, pour over hot brine, and chill. These colorful pickles are perfect alongside grilled dishes, piled on sandwiches, or enjoyed straight from the jar. Store in the fridge for up to two weeks for convenient, healthy snacking and flavor boosts.

A woman wearing a chef's hat and apron.
By racha Racha
Last modified on Tue, 26 Aug 2025 00:28:52 GMT
A jar of pickled cherry tomatoes, onions, and cucumbers. Bookmark
A jar of pickled cherry tomatoes, onions, and cucumbers. | recipesbyracha.com

These vibrant quick pickled cherry tomatoes onions and cucumbers take humble summer produce and turn them into a crisp colorful condiment that perks up any meal. The process draws out brightness from the vegetables while infusing them with a satisfying tang that lands somewhere between sweet and sour. Rather than waiting weeks for a fermented result these pickles are ready the same day and keep beautifully in the fridge. I love having a jar on hand to tuck into sandwiches salads or just to nibble straight from the fridge whenever I want a flavor boost.

When tomato season is at its peak and I have more cucumbers than I know what to do with these pickles always save the day. The first time I tossed them together my whole family started asking for them on burgers hot dogs and even grain bowls. Now they are a staple in my kitchen and have rescued more leftovers than I can count.

Ingredients

  • Cherry tomatoes: Firm, for juicy bite-sized pops of acid and color — look for smooth skins and vibrant reds or oranges
  • Cucumbers: Crisp, bring fresh crunch — avoid soft spots or yellowing for the best results
  • Red onion: Fresh, sliced thinly for mild sweetness and gorgeous color — the firmer the onion the better the flavor
  • White vinegar: Backbone of the brine for zippy classic pickle tang — choose a standard distilled variety for cleanest flavor
  • Granulated sugar: Tames the acid and brings sweet contrast — use pure cane sugar for best results
  • Kosher salt: Seasons and helps draw out water — choose a brand with no additives for optimal flavor and clarity
  • Mustard seeds: Provide warm aromatic undertones — look for whole yellow seeds
  • Black peppercorns: Add gentle warmth and complexity — pick plump peppercorns for freshest flavor
  • Garlic cloves: Smashed, infuse brine with rich savory aroma — opt for firm, heavy cloves with skin intact
  • Fresh dill: Brings pickle personality and fresh herbal pop — use only bright green, flexible fronds

Instructions

Vegetable Preparation:
Thoroughly wash all tomatoes cucumbers and onions under cold running water then pat completely dry with a clean towel. Slice tomatoes in half so the brine can reach their centers. Cut cucumbers into even quarter-inch rounds for uniform crunch. Slice the red onion into very thin half-moons for the best texture and to help the flavor distribute evenly.
Jar Assembly:
Start with a clean quart-sized glass jar. Layer cucumbers cherry tomato halves and onion slices in alternating colors and shapes so every scoop looks appealing. Drop in smashed garlic cloves and nestle fresh dill fronds among the layers for visual appeal and even infusion.
Brine Creation:
In a small saucepan combine white vinegar water granulated sugar kosher salt mustard seeds and black peppercorns. Bring to a rolling boil over medium heat stirring until sugar and salt dissolve and the brine is clear and aromatic.
Brine Application:
Remove the pan from heat and let the brine cool just a few minutes so it is hot but not scalding. Pour the brine over the layered vegetables pressing gently with a clean spoon to keep them submerged and making sure all air pockets release.
Cooling Process:
Leave the open jar to cool on the counter until it reaches room temperature usually about thirty minutes. This keeps the vegetables crisp and prevents thermal shock to the glass.
Refrigeration and Marinating:
Once cooled seal the jar with a tight-fitting lid. Refrigerate for at least four hours to let flavors penetrate. Overnight soaking produces the most satisfying tang and crunch but you can start snacking sooner if you are impatient.
A jar filled with pickles, tomatoes, cucumbers, onions, and peppers.
A jar filled with pickles, tomatoes, cucumbers, onions, and peppers. | recipesbyracha.com

My favorite ingredient by far is the cherry tomato. Each piece soaks up the sweet salty brine and bursts with flavor in every bite. I still remember my sister sneaking a spoonful from the jar long before dinner because the colors looked so inviting. Now it is a tradition to keep extras made for easy snacking.

Creative Serving Ideas

Pile these pickles high on burgers or tuck into grilled cheese sandwiches for just the right crunch and tang. Add them to a cheese board for a pop of color or spoon them over grain bowls for a fresh lift. My neighbor loves a handful straight from the jar as a television snack. You can even toss leftovers into potato salad or pasta to add zing.

Flavor Variations

Change up the brine by swapping in apple cider or rice vinegar for a different flavor profile. Add a jalapeño or a sprinkle of red pepper flakes for heat or fresh herbs like basil oregano or thyme for a unique twist. Toss in thin slices of radish or bell pepper for added crunch and color.

Storage Tips

Store pickled vegetables in the fridge for up to fourteen days. Always use clean utensils to remove pickles to prevent introducing bacteria that could spoil the brine. Over time the vegetables will become even more flavorful and the texture may soften a little but they are still delicious.

A jar of pickles with cucumbers, tomatoes, and onions.
A jar of pickles with cucumbers, tomatoes, and onions. | recipesbyracha.com

These pickles are wonderful on just about anything from summer barbecues to snack platters or right out of the jar when the craving hits. Try swapping in carrots or daikon for a winter batch or mix up the herbs for a flavor twist.

Common Questions About Recipes

→ How long should the vegetables soak for best flavor?

Allow at least four hours in the refrigerator for flavors to develop, though overnight produces deeper taste.

→ Can I use other vegetables with this method?

Yes, radishes, bell peppers, or cauliflower work well. Keep brine ratio and cut sizes consistent.

→ What’s the shelf life after preparing?

Stored refrigerated and submerged, they stay fresh and flavorful for up to two weeks.

→ How can I adjust the tanginess?

Add more sugar for a sweeter profile or use part water with the vinegar to mellow acidity.

→ What are creative ways to serve these pickled vegetables?

Try as a topping for burgers, mixed into salads, with grilled meats, or straight from the jar as a snack.

Pickled Cherry Tomatoes Onion Cucumber

Crisp cherry tomatoes, cucumber, and onion in brine make a tangy, refreshing condiment or snack.

Prep Time
15 minutes
Cooking Time
5 minutes
Total Time
20 minutes
By racha: Racha

Recipe Category: Side Dishes

Skill Level: Great for Beginners

Culinary Style: American

Makes: 6 Servings (1 quart jar pickled vegetables)

Diet Preferences: Vegan-Friendly, Vegetarian-Friendly, Gluten-Free, No Dairy

What You'll Need

→ Vegetables

01 2 cups cherry tomatoes, halved
02 1 large cucumber, sliced into 1/4-inch rounds
03 1 small red onion, thinly sliced

→ Brine

04 1 cup distilled white vinegar
05 1 cup water
06 2 tablespoons granulated sugar
07 1 tablespoon kosher salt
08 1 teaspoon mustard seeds
09 1/2 teaspoon whole black peppercorns
10 2 cloves fresh garlic, smashed

→ Herbs (Optional)

11 1 small sprig fresh dill

Steps to Follow

Step 01

Wash cherry tomatoes, cucumber, and red onion thoroughly under cold running water and pat completely dry. Halve cherry tomatoes, slice cucumber into 1/4-inch rounds, and cut red onion into thin half-moon slices.

Step 02

Thoroughly wash and rinse a quart-sized glass jar and lid with hot water. Allow to air-dry or dry with a clean towel.

Step 03

Carefully layer cherry tomatoes, cucumber slices, and red onion in the clean jar, alternating for an appealing color pattern. Tuck in smashed garlic and a sprig of dill, if using.

Step 04

In a small saucepan, combine white vinegar, water, granulated sugar, kosher salt, mustard seeds, and black peppercorns. Bring to a boil over medium heat, stirring until sugar and salt dissolve completely.

Step 05

Remove brine from heat and let cool for 2 to 3 minutes. Pour the warm brine slowly over the vegetables, ensuring they are fully submerged. Press vegetables down gently if needed to eliminate air bubbles.

Step 06

Allow the filled jar to cool uncovered at room temperature for about 30 minutes, then seal tightly with the lid.

Step 07

Refrigerate jar for at least 4 hours before serving. For optimal flavor development, marinate overnight. Consume within 2 weeks for best quality.

Additional Tips

  1. Uniformly slice vegetables for consistent crunch and brine absorption.
  2. Ensure all vegetables remain fully submerged in brine to prevent spoilage.
  3. Dishes pair especially well as a bright contrast for grilled meats, on burgers, in salads, or as an appetizer.
  4. Always use clean utensils when removing pickles to maintain freshness.

Must-Have Gear

  • Quart-sized glass jar with tight-fitting lid
  • Small saucepan
  • Cutting board
  • Sharp knife
  • Measuring cups and spoons

Potential Allergy Info

Check product labels for allergens and consult your healthcare provider if unsure.
  • Contains mustard seeds, which may trigger allergic reactions in sensitive individuals.

Nutritional Details (Per Portion)

Nutritional info is provided for guidance and isn’t a substitute for professional health advice.
  • Calories: 21
  • Fat: 0.1 g
  • Carbohydrates: 4.6 g
  • Protein Content: 0.6 g