This refreshing Thai cucumber salad is a perfect blend of tangy, sweet, and savory flavors. It's a quick and easy dish that pairs wonderfully with a variety of main courses or can be enjoyed on its own as a light snack. The crispness of the cucumbers combined with the zing of red onion and the aromatic touch of cilantro makes this salad a delightful treat.
If you're not familiar with rice vinegar, it's a mild and slightly sweet vinegar commonly used in Asian cuisine. You can find it in the international aisle of most supermarkets. Fresh cilantro adds a burst of flavor, and while optional, peanuts provide a nice crunch. Ensure you have these ingredients on hand to fully enjoy the authentic taste of this salad.

Ingredients For Thai Cucumber Salad Recipe
Cucumbers: Crisp and refreshing, they form the base of the salad.
Red onion: Adds a sharp, tangy flavor that complements the cucumbers.
Rice vinegar: Provides a mild acidity and slight sweetness, essential for the dressing.
Sugar: Balances the acidity of the vinegar with a touch of sweetness.
Salt: Enhances the overall flavor of the salad.
Cilantro: Fresh and aromatic, it adds a burst of herbal flavor.
Peanuts: Optional, but they add a delightful crunch and nutty taste.
Technique Tip for This Recipe
To achieve the perfect texture for your cucumbers, consider using a mandoline slicer. This tool ensures uniform, thin slices, which not only look appealing but also allow the vinegar mixture to penetrate more evenly. Additionally, to prevent the salad from becoming too watery, you can lightly salt the cucumbers and let them sit in a colander for about 10 minutes before adding them to the vinegar mixture. This step helps draw out excess moisture, resulting in a crisper, more flavorful salad.
Suggested Side Dishes
Alternative Ingredients
cucumbers - Substitute with zucchini: Zucchini has a similar texture and mild flavor, making it a good alternative in salads.
red onion - Substitute with shallots: Shallots have a milder taste and can provide a similar crunch and flavor profile.
rice vinegar - Substitute with apple cider vinegar: Apple cider vinegar has a similar acidity and can mimic the tangy flavor of rice vinegar.
sugar - Substitute with honey: Honey can provide the necessary sweetness while adding a slight floral note.
salt - Substitute with soy sauce: Soy sauce can add both saltiness and umami, enhancing the overall flavor of the salad.
cilantro - Substitute with parsley: Parsley has a fresh, slightly peppery taste that can replace the herbal notes of cilantro.
peanuts - Substitute with cashews: Cashews have a similar crunch and mild flavor, making them a good alternative to peanuts.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Dish
To store your Thai cucumber salad, place it in an airtight container. This will help maintain its crispness and prevent it from absorbing any unwanted odors from the fridge.
Keep the salad in the refrigerator. It is best consumed within 1-2 days to enjoy the freshest flavors and textures.
If you plan to store the salad for longer, consider keeping the dressing separate from the cucumbers and red onions. This will prevent the vegetables from becoming too soggy. Simply combine them when you're ready to serve.
For an extra burst of freshness, add the chopped cilantro and peanuts just before serving. This will ensure they retain their vibrant color and crunch.
Freezing is not recommended for this salad. The high water content in cucumbers and red onions can cause them to become mushy and lose their appealing texture when thawed.
If you must freeze, consider freezing only the dressing. Pour it into an ice cube tray, freeze until solid, then transfer the cubes to a freezer bag. When ready to use, thaw the cubes and mix with freshly sliced cucumbers and red onions.
Always label your containers with the date of preparation. This helps you keep track of freshness and ensures you enjoy your Thai cucumber salad at its best.
How to Reheat Leftovers
- While Thai cucumber salad is best enjoyed fresh, if you must reheat it, consider these methods to maintain its crispness and flavor:
- Room Temperature Revival: Remove the salad from the refrigerator and let it sit at room temperature for about 15-20 minutes. This will take the chill off without compromising the crunch of the cucumbers and red onions.
- Quick Microwave Refresh: Place the salad in a microwave-safe bowl. Microwave on low power for 10-15 seconds. Be cautious not to overheat, as this can make the cucumbers soggy.
- Warm Water Bath: Fill a larger bowl with warm water (not hot). Place the container of salad into the warm water bath for a few minutes. This gentle method helps bring the salad to a more palatable temperature without cooking it.
- Toss with Fresh Ingredients: If the salad has lost some of its vibrancy, toss it with a few freshly sliced cucumbers and a splash of rice vinegar. This can rejuvenate the flavors and textures.
- Serve with Warm Accompaniments: Instead of reheating the salad itself, serve it alongside warm dishes like grilled chicken or steamed rice. The contrast between the warm and cool elements can be delightful.
Best Tools for This Recipe
Mixing bowl: A large bowl used to combine the rice vinegar, sugar, and salt, and to toss the cucumbers and red onion.
Whisk: A utensil used to stir the rice vinegar, sugar, and salt until they are dissolved.
Knife: A sharp tool used to slice the cucumbers and red onion thinly.
Cutting board: A flat surface used to safely slice the cucumbers and red onion.
Measuring cups: Tools used to measure out the rice vinegar and sliced red onion accurately.
Measuring spoons: Tools used to measure out the sugar, salt, and chopped cilantro accurately.
Serving bowl: A bowl used to serve the salad once it is ready.
Chopping knife: A knife used to chop the fresh cilantro and optional peanuts.
How to Save Time on Making This Recipe
Pre-slice vegetables: Slice the cucumbers and red onion ahead of time and store them in the fridge.
Mix dressing in advance: Combine the rice vinegar, sugar, and salt beforehand and keep it ready to use.
Use a mandoline: A mandoline slicer can quickly and uniformly slice the cucumbers and red onion.
Batch prep: Make a larger batch of the salad and store it in the fridge for up to two days.
Pre-chop herbs and nuts: Chop the cilantro and peanuts in advance and store them separately.

Thai Cucumber Salad
Ingredients
Main Ingredients
- 2 cucumbers sliced thin
- ¼ cup red onion sliced thin
- ¼ cup rice vinegar
- 2 tablespoon sugar
- 1 teaspoon salt
- 1 tablespoon chopped fresh cilantro
- 1 tablespoon chopped peanuts optional
Instructions
- In a mixing bowl, combine the rice vinegar, sugar, and salt. Stir until the sugar and salt are dissolved.
- Add the sliced cucumbers and red onion to the bowl. Toss to coat with the vinegar mixture.
- Let the salad sit for at least 10 minutes to allow the flavors to meld.
- Before serving, sprinkle with chopped cilantro and peanuts if using.
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