Name: Easy Korean Cucumber Salad Recipe
Prep time: 15 min
Total time: 15 min
Ingredients: 2 English cucumbers, or 4 to 5 small Persian cucumbers; 1 teaspoon kosher salt, plus more to taste; 1 1/2 tablespoons Korean red pepper flakes (gochugaru); 1 tablespoon soy sauce; 1 tablespoon rice vinegar; 1 teaspoon sugar; 1 tablespoon toasted sesame oil; 2-3 cloves garlic, very finely minced or grated; 1 teaspoon sesame seeds; 1-2 green onions, thinly sliced; 1/2 teaspoon fish sauce; 1/2 teaspoon grated ginger

Easy Korean Cucumber Salad Recipe tastes crisp, spicy, garlicky, and a little sweet, like the best banchan from your favorite Korean spot. It works perfectly for busy home cooks who want a fresh side dish in about 10 to 15 minutes from start to finish. I tested this version so many times that my family started calling me “the cucumber person,” which I accept with pride.

Why Make This Easy Korean Cucumber Salad Recipe at Home

You control the crunch, the spice level, and the sweetness, so the salad fits your taste instead of the other way around. The cucumbers stay crisp, the seasoning tastes bold, and the whole bowl costs less than ordering takeout.

You also mix everything in one bowl, so cleanup stays easy. I keep the ingredients in my pantry and fridge, so I can toss this together whenever rice hits the table and the plate looks a little too beige.

“This Easy Korean Cucumber Salad Recipe tastes like restaurant banchan but comes together faster than my rice cooker finishes a batch of rice. ★★★★★”

Ingredients You Need

Cucumbers

2 English cucumbers or 4 to 5 small Persian cucumbers
- English cucumbers slice easily and have fewer seeds.
- Persian cucumbers stay extra crunchy and work great for meal prep.
- Avoid thick, waxy standard cucumbers because they turn watery and soft.

Seasoning Sauce

1 ½ tablespoons Korean red pepper flakes (gochugaru)
- Use coarse gochugaru for the best texture and color.
- Choose mild gochugaru if you prefer gentle heat or hot gochugaru if you like a kick.
- Do not swap with regular chili powder because it changes flavor completely.
1 tablespoon soy sauce
- Use regular all purpose soy sauce, not dark or sweet soy.
- Use low sodium soy sauce if you watch salt and add more salt at the end if needed.
1 tablespoon rice vinegar
- Seasoned rice vinegar adds a tiny bit of sweetness.
- Plain rice vinegar works fine; just add an extra pinch of sugar if you like.
1 teaspoon sugar
- White sugar dissolves quickly and keeps the flavor clean.
- Honey or agave work in a pinch but change the flavor slightly.
1 tablespoon sesame oil
- Use toasted sesame oil for that deep nutty flavor.
- A little goes a long way, so measure instead of free pouring.
2 to 3 cloves garlic, very finely minced or grated
- Fresh garlic gives the salad its punchy flavor.
- Use a microplane if you want the garlic to blend into the sauce.
1 teaspoon kosher salt, plus more to taste
- You use some to salt the cucumbers and some to season at the end.
- If you use table salt, start with half the amount and adjust.
1 teaspoon sesame seeds
- Toasted sesame seeds add crunch and nuttiness.
- Use white, black, or a mix for color.
1 to 2 green onions, thinly sliced
- Use both white and green parts for best flavor and color.
- If you run out, you can use a little finely sliced yellow onion instead.

Optional Add Ins

½ teaspoon fish sauce for extra savory depth
½ teaspoon grated ginger for a bright kick
Pinch of Korean chili threads for garnish if you feel fancy

Pantry Shortcuts

Pre minced garlic from a jar works when you feel tired, though fresh tastes sharper.
Pre toasted sesame seeds save time and keep well in the pantry.
Bottled seasoned rice vinegar adds a tiny bit of sweetness without extra measuring.

Equipment List

Cutting board and sharp knife
Medium mixing bowl
Small bowl for mixing the sauce
Measuring spoons
Colander or strainer
Tongs or chopsticks for tossing

Tips & Mistakes

Slice the cucumbers evenly so they salt and season at the same rate.
Salt the cucumbers first and let them sit 10 minutes so they stay crunchy and not watery.
Do not skip draining the salted cucumbers or the salad turns soupy.
Pat the cucumbers gently with a paper towel if they release a lot of water.
Taste the gochugaru before you add more, since different brands vary in heat.
Start with less soy sauce and adjust, especially if you use low sodium or a salty brand.
Mix the sauce in a separate bowl so the garlic and gochugaru distribute evenly.
Toss the cucumbers gently so they keep their shape and crunch.
Chill the salad at least 10 minutes before serving if you want maximum refreshment.
Do not store the salad at room temperature, since the cucumbers soften and lose their snap.

How to Make Easy Korean Cucumber Salad Recipe

Step 1: Slice and Salt the Cucumbers

Wash the cucumbers and pat them dry. Slice them into thin rounds, about ⅛ to ¼ inch thick, and place them in a mixing bowl. Sprinkle 1 teaspoon kosher salt over the slices and toss to coat evenly.

Let the cucumbers sit for about 10 minutes so they release some water. This step keeps the salad crisp and prevents a watery sauce. After 10 minutes, taste a slice; it should taste lightly seasoned but not overly salty.

Step 2: Drain the Cucumbers

Transfer the salted cucumbers to a colander. Gently press them with your hands to push out extra water, but do not crush them. If they still look very wet, pat them lightly with a paper towel.

Return the drained cucumbers to the mixing bowl. You now have crunchy, seasoned slices that soak up the sauce beautifully. This step makes a big difference, so I never skip it.

Step 3: Mix the Seasoning Sauce

In a small bowl, add gochugaru, soy sauce, rice vinegar, sugar, sesame oil, minced garlic, and sesame seeds. Stir until the sugar dissolves and the mixture looks glossy and red. Taste a tiny bit and adjust with more sugar for sweetness or more vinegar for tang.

Add the sliced green onions and any optional fish sauce or ginger. Stir again so everything combines. The sauce should taste slightly stronger than you want the final salad, since it spreads over the cucumbers.

Step 4: Toss Everything Together

Pour the seasoning sauce over the drained cucumbers. Use tongs or chopsticks to toss until every slice looks coated in the red, garlicky mixture. Take your time so you do not break the slices.

Taste a cucumber and adjust with a pinch of salt or a splash of vinegar if needed. The flavor should hit salty, spicy, tangy, and slightly sweet all at once. At this point, I usually sneak a few extra bites, purely for quality control.

Step 5: Chill and Serve

You can serve the salad right away, but a short chill helps the flavors settle. Cover the bowl and chill it in the fridge for 10 to 20 minutes. Give it a quick toss before serving to redistribute the sauce.

If you plan to serve it later, transfer the salad to a shallow container. Spread it out so the cucumbers sit mostly in one layer. This helps them stay crisp longer.

Variations I've Tried

Milder kid friendly version
Use half the gochugaru and add a little extra sugar. My kids call this “red cucumber salad” and eat it happily with rice and eggs.
Extra spicy version
Add a small drizzle of gochujang along with the gochugaru and thin it with a splash of water. This version tastes thicker and sticks to the cucumbers more.
Cucumber and carrot mix
Add thin matchsticks of carrot for color and extra crunch. The carrot soaks up the same sauce and holds its texture even longer.
Garlic bomb version
Add an extra clove of garlic and a pinch of grated ginger. This works great when you serve it with rich meats or oily dishes.
Low sodium version
Use low sodium soy sauce and reduce the initial salting of the cucumbers. Taste at the end and add salt only if you need it.

How to Serve Easy Korean Cucumber Salad Recipe

Serve this Easy Korean Cucumber Salad Recipe as a banchan style side dish with hot steamed rice and any simple protein like grilled chicken, tofu, or pan seared salmon. It also tastes great tucked into lettuce wraps with rice and a little grilled meat or crispy tofu. I like to spoon it over cold noodles with some extra sesame seeds for a quick lunch.

You can also serve it next to Korean barbecue style dishes, kimchi fried rice, or simple stir fried vegetables. The cool, spicy crunch cuts through richer dishes and makes the whole meal feel lighter.

How to store

Fridge
Store leftovers in an airtight container in the refrigerator for up to 2 days. The cucumbers stay crisp on day one and soften slightly on day two but still taste great. Stir before serving to redistribute the sauce.
Freezer
Do not freeze this salad, since cucumbers turn mushy after thawing and lose their crunch. Make a fresh batch instead when you want more.
Best serving and reheating method
Serve the salad chilled or at cool room temperature straight from the fridge. Do not heat it, since heat makes the cucumbers soft and dulls the bright flavors. If the salad tastes a bit flat after chilling, add a small splash of rice vinegar or a pinch of salt to wake it up.