Wash the cucumbers thoroughly under cold running water and dry them with a clean kitchen towel. Trim the ends and cut the cucumbers into segments about 7–8 cm long. Place the cucumber segments on a sturdy cutting board. Using the flat side of a large chef’s knife, gently press down on each segment until it cracks and splits open. You can also use a rolling pin or the bottom of a heavy pan for this step. The goal is not to completely crush the cucumbers but to break their structure so they split into uneven ridges and cracks. This technique dramatically increases the surface area, allowing the dressing to cling to the cucumbers and penetrate the flesh. After smashing, break the pieces into irregular bite-sized chunks, roughly 3–4 cm in size, and place them in a large mixing bowl.

If the cucumbers are particularly watery, lightly sprinkle them with a small pinch of salt and allow them to sit for 5 minutes. This brief resting period helps draw out excess moisture and prevents the dressing from becoming diluted. After resting, gently pat the cucumbers dry with paper towels. This step improves flavor concentration and keeps the dressing vibrant.

Slice the green onions thinly on a diagonal to create elongated pieces that distribute flavor evenly through the salad. Finely chop the cilantro leaves and tender stems. Crushing the roasted peanuts lightly with the flat side of a knife creates small crunchy pieces that will later add texture to the finished salad.

In a small bowl, combine the rice vinegar, soy sauce, chili oil, sesame oil, honey, minced garlic, minced ginger, and red pepper flakes. Whisk thoroughly until the honey dissolves completely and the dressing becomes evenly blended. The dressing should taste bold and slightly sharp, with a balance of acidity, spice, sweetness, and savory depth. Taste and adjust if necessary by adding a small amount of additional chili oil for more heat or a touch of honey to soften the acidity.

Pour the prepared dressing over the smashed cucumbers in the mixing bowl. Using clean hands or salad tongs, toss the cucumbers gently but thoroughly until every piece is coated. The dressing should cling to the cracks and edges created by the smashing technique.

Add the sliced green onions and chopped cilantro to the bowl and toss again to distribute them evenly throughout the salad. These fresh herbs add brightness and aroma that balance the spicy dressing.

Allow the salad to sit for 10 minutes at room temperature. During this time the cucumbers absorb the dressing and the flavors of garlic, ginger, chili oil, and vinegar begin to meld. The cucumbers will also release a small amount of juice, which blends with the dressing to create a flavorful sauce.

Just before serving, sprinkle the salad with crushed roasted peanuts and sesame seeds. Toss lightly once more and transfer the salad to a serving dish. Serve immediately while the cucumbers are still crisp and the dressing remains bold and vibrant.