Quick Recipe Version (TL;DR)
Quick Ingredients
- 4 Persian cucumbers (about 1 lb/450 g) or 1 large English cucumber (about 1 lb/450 g)
- 1 tsp kosher salt
- 1 1/2 tbsp Chinese black vinegar (Chinkiang)
- 1 tbsp light soy sauce
- 1 tbsp chili oil with sediment (stir before measuring)
- 2 garlic cloves, finely minced
- 1/2 tsp granulated sugar
- 1 tsp toasted sesame oil (optional)
- 1 tbsp toasted sesame seeds, divided
- 1 scallion, thinly sliced (optional)
Do This
- 1. Toast sesame seeds in a dry skillet over medium heat, 2–3 minutes, until golden; set aside.
- 2. Smash cucumbers with the flat of a chef’s knife or rolling pin; tear or cut into 1–2 inch chunks.
- 3. Toss with 1 tsp kosher salt; rest 10 minutes. Drain off liquid and pat cucumbers dry.
- 4. Whisk vinegar, soy, chili oil, garlic, sugar, and sesame oil (if using).
- 5. Toss cucumbers with dressing, 2/3 of the sesame seeds, and scallion (if using).
- 6. Chill 10 minutes. Serve cold, sprinkle remaining sesame seeds, and spoon on extra dressing.
Why You’ll Love This Recipe
- Crisp, ultra-refreshing cucumbers with jagged edges that catch every drop of garlicky, tangy dressing.
- Fast and no-cook: 25 minutes start to finish, including a brief chill.
- Balanced flavors: black vinegar tang, savory soy, gentle heat from chili oil, and a tiny pinch of sugar.
- Make-ahead friendly for parties, picnics, or a quick weeknight side.
Grocery List
- Produce: Persian or English cucumbers, garlic, scallion (optional)
- Dairy: None
- Pantry: Chinese black vinegar (Chinkiang), light soy sauce, chili oil with sediment, toasted sesame seeds, toasted sesame oil (optional), kosher salt, granulated sugar
Full Ingredients
For the Cucumbers
- 4 Persian cucumbers (about 1 lb/450 g) or 1 large English cucumber (about 1 lb/450 g)
- 1 tsp kosher salt
For the Dressing
- 1 1/2 tbsp Chinese black vinegar (Chinkiang)
- 1 tbsp light soy sauce
- 1 tbsp chili oil with sediment (stir jar before scooping)
- 2 medium garlic cloves, finely minced
- 1/2 tsp granulated sugar
- 1 tsp toasted sesame oil (optional, for aroma)
- 1 tbsp toasted sesame seeds, divided (2 tsp for mixing, 1 tsp for garnish)
- 1 scallion, thinly sliced on the bias (optional)

Step-by-Step Instructions
Step 1: Toast the sesame
Add sesame seeds to a dry skillet over medium heat and stir until golden and fragrant, 2–3 minutes. Transfer to a small bowl to cool so they don’t burn.
Step 2: Smash the cucumbers
Trim ends. Working on a sturdy cutting board, lay a cucumber under the flat side of a large chef’s knife (or use a rolling pin). Press firmly until it cracks and splits. Tear or cut into 1–2 inch bite-size chunks. If using an English cucumber with a very watery core, scrape out some seeds with a spoon (optional) for extra crunch.
Step 3: Salt and drain
Place cucumbers in a bowl and toss with the kosher salt. Let stand 10 minutes to draw out water. Pour off the liquid, then pat the cucumbers dry with paper towels; this keeps the dressing bold and not watered down.
Step 4: Make the dressing
In a medium bowl, whisk together black vinegar, soy sauce, chili oil (including the chili bits), garlic, sugar, and sesame oil (if using) until the sugar dissolves. Taste—aim for tangy, savory, lightly spicy, and just a touch sweet.
Step 5: Toss to coat
Add the drained cucumbers to the dressing along with 2 teaspoons of the sesame seeds and the sliced scallion (if using). Toss gently until the jagged edges are glossy and well coated.
Step 6: Chill briefly
Refrigerate for 10 minutes to let flavors marry and the cucumbers chill thoroughly. Stir once midway to redistribute the dressing.
Step 7: Finish and serve
Taste and adjust: add a pinch more sugar for balance, an extra splash of vinegar for brightness, or more chili oil for heat. Transfer to a shallow serving bowl, sprinkle the remaining sesame seeds on top, and spoon any pooled dressing over the cucumbers. Serve cold.
Pro Tips
- Persian cucumbers are ideal: thin skins, minimal seeds, and a snappy crunch. English cucumbers also work—just consider removing watery cores.
- Stir the chili oil jar so you catch both the red oil and the flavorful chili sediment; that’s where the color and heat live.
- Don’t skip the brief salting step—it concentrates flavor and keeps the salad from getting watery.
- Garlic intensity varies. If yours is potent, start with 1 clove, taste, and add the second if you want more punch.
- Toast sesame seeds fresh; pre-toasted can taste flat. It only takes a couple minutes and makes a big difference.
Variations
- Sichuan-style: Add 1/4 tsp freshly ground Sichuan peppercorn for a citrusy, numbing tingle; top with a spoon of chili crisp.
- Sesame-forward: Swap half the chili oil for extra toasted sesame oil and whisk in 1 tsp Chinese sesame paste (zhi ma jiang) for a richer, nutty profile.
- Rice vinegar swap: No black vinegar? Use 1 tbsp rice vinegar plus 1/2 tbsp balsamic for a similar malty tang.
Storage & Make-Ahead
Best within 2 hours of dressing for maximum crunch. Dressed salad keeps up to 24 hours in the refrigerator (covered), though it will soften. For make-ahead: smash, salt, drain, and chill the cucumbers up to 24 hours ahead; mix the dressing up to 1 week ahead and refrigerate. Toss and garnish just before serving.
Nutrition (per serving)
Approximate: 80 calories; 6 g fat; 4 g carbohydrates; 1 g fiber; 2 g protein; 520 mg sodium.


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