Cucumber Sweet Pepper Salad

Highlighted in: Plant-Based Dishes That Don't Compromise on Flavor

This refreshing Cucumber Sweet Pepper Salad combines thinly sliced cucumbers, red onion, and bell peppers in a sweet-tangy vinegar marinade. The vegetables are briefly salted before being packed into jars and covered with a cooled mixture of white vinegar, sugar, celery flakes, and red pepper flakes.

After refrigerating for at least 24 hours, the vegetables develop a perfect pickle-like quality while maintaining their crispness. This versatile side dish pairs beautifully with grilled meats, sandwiches, or can be enjoyed on its own as a light, refreshing snack.

A woman with a spoon in her hand.
Written by Emma
Last modified on Mon, 30 Jun 2025 18:17:06 GMT
A bowl of vegetables including cucumbers, peppers, and onions. Bookmark
A bowl of vegetables including cucumbers, peppers, and onions. | mygourmetflavors.com

This cucumber sweet pepper salad is the perfect blend of crisp vegetables and tangy-sweet pickling liquid that transforms ordinary garden produce into an addictive side dish. The vibrant colors and contrasting textures create a refreshing accompaniment that brightens up any meal, especially during summer months when cucumbers are at their peak.

I first made this recipe when my garden produced an overwhelming cucumber harvest. What started as a way to preserve excess vegetables has become a family favorite that disappears quickly at every gathering.

Ingredients

  • Cucumbers Fresh, firm cucumbers provide the perfect crunch and mild flavor that absorbs the pickling liquid beautifully
  • Red onion Adds a pleasant sharpness that mellows as it pickles while contributing gorgeous purple color
  • Bell pepper Provides sweet flavor and vibrant color contrast choose red for maximum visual impact
  • Salt Draws moisture from vegetables creating the perfect texture
  • White vinegar Creates the tangy preservation liquid and balances the sweetness
  • Sugar Balances the acidity of the vinegar creating an irresistible sweet and sour profile
  • Celery flakes Adds a subtle herbal note that complements the vegetables
  • Red pepper flakes Provides a gentle heat that elevates the entire dish

Step-by-Step Instructions

Prepare the vegetables
Slice cucumbers, red onion, and bell pepper thinly and uniformly. Consistent thickness ensures even pickling and a pleasing texture in every bite. Place in a large bowl and sprinkle with salt, tossing gently to distribute. The salt will begin drawing moisture from the vegetables, creating crispness in the final product.
Create the pickling liquid
Combine white vinegar, sugar, celery flakes, and red pepper flakes in a pot over medium heat. Stir occasionally until the sugar fully dissolves and the mixture comes to a boil. This process infuses the spices into the liquid and creates the perfect preservation medium.
Cool the brine
Remove the pot from heat immediately once boiling and add two handfuls of ice. This quick cooling step prevents the vegetables from becoming soft when you add the hot liquid. Stir continuously until all ice has melted and the mixture has cooled significantly.
Pack the jars
Arrange the vegetable mixture into clean canning jars, packing tightly but not crushing the vegetables. Leave about half an inch of headspace at the top of each jar. The vegetables should be neatly arranged for both function and visual appeal.
Add the pickling liquid
Pour the cooled vinegar mixture over the packed vegetables, ensuring complete coverage. Tap the jars gently on the counter to release any air bubbles. The vegetables must be fully submerged to ensure proper pickling and preservation.
Refrigerate and wait
Seal the jars tightly and refrigerate for at least 24 hours before serving. This resting period allows the flavors to fully develop and permeate the vegetables. The longer they sit, the more pronounced the flavor will become.
A bowl of vegetables including cucumbers, peppers, and onions. Bookmark
A bowl of vegetables including cucumbers, peppers, and onions. | mygourmetflavors.com

The red pepper flakes are my secret ingredient in this recipe. While many similar recipes omit this component, I find it adds just enough warmth to make the flavor profile complex without overwhelming the fresh vegetable taste. My grandmother taught me this trick, and now everyone always asks what makes my version so special.

Make Ahead Magic

This salad actually improves with time as the flavors continue to develop. Make it up to a week before you plan to serve it for the best taste experience. The vegetables maintain their crunch while fully absorbing the delicious pickling liquid. I often make a double batch so I always have some ready to go when unexpected guests arrive or when I need a quick side dish for weeknight meals.

Creative Serving Ideas

Transform this versatile salad beyond a simple side dish. Try adding it to sandwiches or wraps for a tangy crunch factor. Top grilled meats or fish with a spoonful for a bright contrast. Mix a small amount into tuna or chicken salad for added texture and flavor. I particularly love serving it alongside rich barbecued meats where its acidity cuts through fatty flavors beautifully.

Customization Options

Feel free to adapt this recipe to your taste preferences or what you have available. Yellow or orange bell peppers work just as well as red. Add sliced carrots or jalapeños for extra color and heat. Substitute apple cider vinegar for a slightly different flavor profile. Fresh dill or mustard seeds make wonderful additions to the pickling liquid. The basic formula remains the same, but the variations are endless.

Recipe FAQs

→ How long will this Cucumber Sweet Pepper Salad last in the refrigerator?

When properly stored in sealed jars in the refrigerator, this salad will last for up to 2-3 weeks. The vinegar acts as a preservative, keeping the vegetables crisp and flavorful.

→ Can I reduce the amount of sugar in this dish?

Yes, you can reduce the sugar to taste. Start by using half the amount (3/4 cup) and adjust according to your preference. Keep in mind that the sugar balances the acidity of the vinegar.

→ What can I serve with Cucumber Sweet Pepper Salad?

This versatile salad pairs wonderfully with grilled meats, sandwiches, burgers, or as part of a charcuterie board. It also makes a refreshing side dish for spicy meals or barbecue.

→ Can I use different types of peppers?

Absolutely! Feel free to experiment with yellow or orange bell peppers for added color, or incorporate jalapeños or banana peppers if you prefer more heat.

→ Do I need to use canning jars specifically?

While large-mouth canning jars are ideal, any glass container with a tight-fitting lid will work. The important thing is to ensure the vegetables are fully submerged in the vinegar mixture.

→ Can I add other vegetables to this salad?

Yes, this recipe is adaptable. Consider adding thinly sliced carrots, radishes, or cauliflower florets. Just make sure to maintain the ratio of vegetables to vinegar mixture.

Cucumber Sweet Pepper Salad

Crisp vegetables marinated in a sweet-tangy vinegar dressing with a hint of spice. Perfect summer side or topping.

Prep Time
15 min
Cooking Time
10 min
Total Time
25 min
Written by: Emma

Category: Vegetarian

Skill Level: Beginner

Cuisine Type: American

Output: 8 Servings (2 quarts of salad)

Dietary Preferences: Vegan, Vegetarian, Gluten-Free, Dairy-Free

Ingredients

→ Vegetables

01 4 cucumbers, thinly sliced
02 1 large red onion, sliced
03 1 large bell pepper, sliced

→ Pickling Mixture

04 1 tablespoon salt
05 2 cups white vinegar
06 1 1/2 cups sugar
07 1 teaspoon celery flakes
08 1 teaspoon red pepper flakes

Steps

Step 01

In a large bowl, combine the sliced cucumbers, onions, and bell peppers. Sprinkle with salt and let it sit for a few minutes.

Step 02

In a separate pot, combine the white vinegar, sugar, celery flakes, and red pepper flakes. Bring to a boil over medium heat.

Step 03

Once boiling, remove the pot from the heat and add two handfuls of ice. Stir until the ice completely melts and the mixture cools slightly.

Step 04

Pack the sliced vegetables into large-mouth canning jars (about 2-quart or 1/2 gallon jars).

Step 05

Pour the cooled vinegar mixture over the vegetables, ensuring they are fully submerged.

Step 06

Seal the jars and refrigerate for at least 24 hours before serving to allow the flavors to meld.

Notes

  1. This refreshing salad keeps well in the refrigerator for up to 2 weeks.
  2. The vegetables will become more flavorful the longer they marinate.

Essential Tools

  • Large mixing bowl
  • Medium saucepan
  • Large-mouth canning jars (2-quart or 1/2 gallon size)

Nutritional Information (Per Serving)

These details are for reference only and shouldn't replace expert medical advice.
  • Calories: 140
  • Fats: 0.2 g
  • Carbohydrates: 35 g
  • Proteins: 1 g