- Best cucumbers: Persian, Korean, or Japanese for crunch and ease of smashing. Avoid pole cucumbers.
- Toast sesame seeds in a dry pan over medium heat for 2–4 minutes until golden.
- Use 1 tablespoon of gochujang for less heat, or adjust to your taste.
- Leftovers stay flavorful even with water release. The extra sauce is great over rice.
- This salad is best served cold and fresh, but keeps well in the fridge for 1–2 days.