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 simple relish brings a burst of flavor with minimal effort. The combination of crisp cucumbers and sharp onions creates a delightful contrast that will elevate your dishes.
Most of the ingredients for this cucumber and onion relish are common pantry staples. However, if you don't usually keep white vinegar or sugar on hand, you might need to pick these up at the supermarket. Make sure to choose fresh cucumbers and onions for the best flavor and texture.

Ingredients for Cucumber and Onion Relish
Cucumbers: Finely chopped to add a refreshing crunch and mild flavor.
Onions: Finely chopped to provide a sharp, tangy contrast to the cucumbers.
White vinegar: Adds acidity and tanginess to the relish, helping to balance the flavors.
Sugar: Sweetens the mixture, creating a perfect balance with the vinegar.
Salt: Enhances the overall flavor and helps to meld the ingredients together.
Technique Tip for This Relish
To achieve a finer texture and better flavor integration, consider using a mandoline slicer for the cucumbers and onions. This ensures uniformity in size, which helps the vinegar and sugar mixture to coat each piece evenly. Additionally, after mixing, gently press the mixture with a spoon to release some of the natural juices from the vegetables, enhancing the overall taste of the relish.
Suggested Side Dishes
Alternative Ingredients
cucumbers - Substitute with zucchini: Zucchini has a similar texture and mild flavor, making it a good alternative in relishes.
onion - Substitute with shallots: Shallots provide a milder, slightly sweeter flavor compared to onions, which can enhance the relish.
white vinegar - Substitute with apple cider vinegar: Apple cider vinegar offers a similar acidity with a slightly fruity undertone, complementing the other ingredients.
sugar - Substitute with honey: Honey adds sweetness with a bit of depth and complexity, which can enrich the overall flavor of the relish.
salt - Substitute with sea salt: Sea salt can provide a more nuanced flavor compared to regular table salt, enhancing the taste of the relish.
Alternative Recipes Similar to This Relish
How to Store or Freeze This Relish
- To store your cucumber and onion relish, transfer it to an airtight container. This will help maintain its freshness and prevent any unwanted odors from seeping in.
- Place the container in the refrigerator. The relish can be stored for up to one week, allowing you to enjoy its tangy flavors over multiple meals.
- For longer storage, consider freezing the relish. First, ensure the mixture is well-drained to remove excess liquid, which can affect the texture when thawed.
- Transfer the drained relish to a freezer-safe container or a resealable plastic bag. Make sure to leave some space at the top, as the mixture may expand when frozen.
- Label the container with the date to keep track of its freshness. The relish can be frozen for up to three months.
- When ready to use, thaw the relish in the refrigerator overnight. Give it a good stir before serving to redistribute the flavors.
- If you notice any changes in texture or flavor after thawing, consider using the relish in cooked dishes, such as a topping for grilled meats or mixed into a pasta salad, where the slight texture change will be less noticeable.
How to Reheat Leftovers
For a quick refresh, place the cucumber and onion relish in a microwave-safe bowl. Cover it with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape. Heat on medium power for 30 seconds to 1 minute. Stir and check the temperature. Repeat if necessary, but be cautious not to overheat as it can make the vegetables soggy.
If you prefer a more traditional approach, transfer the relish to a small saucepan. Warm it over low heat, stirring occasionally. This method allows you to control the temperature more precisely and helps maintain the crispness of the cucumbers and onions.
For a cold refresh, simply take the relish out of the refrigerator and let it sit at room temperature for about 15-20 minutes. This will take the chill off without compromising the texture of the vegetables.
If you want to add a bit of zest, consider mixing in a splash of fresh lemon juice or a pinch of extra salt before serving. This can brighten up the flavors after refrigeration.
For a creative twist, use the relish as a topping for freshly grilled meat or fish. The warmth of the main dish will gently heat the relish, creating a delightful contrast in temperatures and textures.
Best Tools for Making This Relish
Mixing bowl: A large bowl used to combine the cucumbers and onions with the vinegar, sugar, and salt.
Knife: Essential for finely chopping the cucumbers and onions.
Cutting board: Provides a stable surface for chopping the cucumbers and onions.
Measuring cups: Used to measure out the precise amounts of cucumbers, onions, vinegar, and sugar.
Measuring spoons: Necessary for measuring the salt accurately.
Spoon: Useful for mixing the ingredients together thoroughly.
Timer: Helps ensure the mixture sits for at least 10 minutes to allow the flavors to meld.
How to Save Time on Making This Relish
Pre-chop ingredients: Finely chop the cucumbers and onions in advance and store them in airtight containers in the fridge.
Use a food processor: Save time by using a food processor to quickly and evenly chop the cucumbers and onions.
Batch preparation: Make a larger batch of the relish and store it in the fridge for up to a week, so you have it ready for multiple meals.
Quick mix: Combine the vinegar, sugar, and salt in a jar and shake well before adding to the chopped vegetables.

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
Instructions
- 1. In a mixing bowl, combine the cucumbers and onions.
- 2. Add the white vinegar, sugar, and salt. Mix well.
- 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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