This cucumber and onion relish is a refreshing and tangy addition to any meal. Perfect for summer barbecues or as a topping for sandwiches, this relish combines the crispness of cucumbers with the sharpness of onions, all balanced by a sweet and sour dressing.
Most of the ingredients for this recipe are common pantry staples. However, if you don't usually keep white vinegar or black pepper on hand, you might need to pick them up at the supermarket. These items are typically found in the condiments or spices aisle.

Ingredients for Cucumber and Onion Relish Recipe
Cucumbers: Finely chopped to provide a crisp texture and fresh flavor.
Onions: Finely chopped to add a sharp, pungent taste that complements the cucumbers.
White vinegar: Adds acidity and tanginess to balance the sweetness.
Sugar: Provides sweetness to counteract the acidity of the vinegar.
Salt: Enhances the overall flavor and helps to draw out moisture from the cucumbers and onions.
Black pepper: Adds a hint of spice and depth to the relish.
Technique Tip for This Relish
To achieve a more vibrant and crisp cucumber and onion relish, consider salting the cucumbers and onions separately before combining them with the other ingredients. Sprinkle a small amount of salt over the chopped cucumbers and onions, let them sit for about 15 minutes, then rinse and pat dry. This process helps to draw out excess moisture, enhancing the crunchiness and preventing the relish from becoming too watery.
Suggested Side Dishes
Alternative Ingredients
cucumbers - Substitute with zucchini: Zucchini has a similar texture and mild flavor, making it a good alternative to cucumbers in a relish.
onion - Substitute with shallots: Shallots offer a milder and slightly sweeter taste compared to onions, which can add a different but pleasant flavor to the relish.
white vinegar - Substitute with apple cider vinegar: Apple cider vinegar provides a similar acidity with a slightly fruity undertone, which can enhance the overall flavor profile of the relish.
sugar - Substitute with honey: Honey can be used as a natural sweetener and adds a unique depth of flavor to the relish.
salt - Substitute with sea salt: Sea salt can be used in place of regular salt, offering a more complex mineral taste.
black pepper - Substitute with white pepper: White pepper has a similar heat level but a slightly different flavor, which can add a subtle variation to the relish.
Other Alternative Recipes Similar to This Relish
How to Store or Freeze This Relish
For short-term storage, transfer the cucumber and onion relish to an airtight container. Place it in the refrigerator where it will stay fresh for up to one week. The cool environment helps maintain the crispness of the cucumbers and the tangy flavor of the vinegar.
If you plan to keep the relish for a longer period, consider freezing it. First, portion the relish into freezer-safe bags or containers, ensuring you leave some space at the top for expansion. Label each container with the date to keep track of its freshness.
Before freezing, you might want to blanch the cucumbers briefly. This involves dipping them in boiling water for about 30 seconds and then plunging them into ice water. This step helps preserve their texture and color during freezing.
When ready to use, thaw the relish in the refrigerator overnight. If you’re in a hurry, you can also place the container in a bowl of cold water to speed up the process. Avoid using hot water as it can compromise the texture and flavor.
Once thawed, give the relish a good stir to redistribute the vinegar and sugar. Taste and adjust the seasoning if necessary, adding a pinch of salt or a splash of vinegar to refresh the flavors.
For an extra burst of freshness, consider adding a handful of freshly chopped herbs like dill or parsley just before serving. This can elevate the taste and add a vibrant touch to your dish.
Remember, while freezing is a great way to extend the life of your cucumber and onion relish, the texture may change slightly. The cucumbers might become a bit softer, but the relish will still be delicious and perfect for topping grilled meats, sandwiches, or salads.
How to Reheat Leftovers
Microwave Method:
- Transfer the cucumber and onion relish to a microwave-safe bowl.
- Cover the bowl with a microwave-safe lid or a damp paper towel to retain moisture.
- Heat on medium power for 30-second intervals, stirring in between, until the relish is warmed through. Be cautious not to overheat, as cucumbers can become mushy.
Stovetop Method:
- Place the relish in a small saucepan.
- Heat over low to medium heat, stirring occasionally to ensure even warming.
- Once the relish is warmed to your liking, remove from heat and serve immediately.
Room Temperature Method:
- Remove the cucumber and onion relish from the refrigerator.
- Allow it to sit at room temperature for about 20-30 minutes.
- Stir well before serving to ensure the flavors are well distributed.
Warm Water Bath Method:
- Place the container of relish in a larger bowl filled with warm water.
- Let it sit for about 10-15 minutes, stirring occasionally.
- This gentle method will warm the relish without compromising the texture of the cucumbers and onions.
Best Tools for This Recipe
Mixing bowl: A large bowl used to combine the cucumbers and onions with the other ingredients.
Knife: Essential for finely chopping the cucumbers and onions.
Cutting board: Provides a stable surface for chopping the vegetables.
Measuring cups: Used to measure out the cucumbers, onions, vinegar, and sugar accurately.
Measuring spoons: Used to measure out the salt and black pepper precisely.
Spoon: Useful for stirring the mixture to ensure all ingredients are well combined.
How to Save Time on Making This Relish
Prep ingredients in advance: Chop the cucumbers and onions ahead of time and store them in the fridge.
Use a food processor: Quickly chop the cucumbers and onions using a food processor to save time.
Pre-measure seasonings: Measure out the vinegar, sugar, salt, and pepper before starting to streamline the process.
Batch preparation: Make a larger batch of the relish and store it in the fridge for future use.

Cucumber and Onion Relish Recipe
Ingredients
Main Ingredients
- 2 cups cucumbers, finely chopped
- 1 cup onion, finely chopped
- ½ cup white vinegar
- ¼ cup sugar
- 1 teaspoon salt
- ½ teaspoon black pepper
Instructions
- 1. In a mixing bowl, combine the cucumbers and onions.
- 2. Add the vinegar, sugar, salt, and pepper. Stir well to combine.
- 3. Let the mixture sit for at least 10 minutes before serving to allow the flavors to meld.
Nutritional Value
Keywords
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