Smashed cucumbers, or pai huang gua, is a Sichuan dish that is typically served with rich, spicy food. We started with English cucumbers, which are nearly seedless and have thin, crisp skins. Placing them in a zipper-lock bag and smashing them into large, irregular pieces sped up a salting step that helped expel excess water. The craggy pieces also did a better job of holding on to the dressing. Using black vinegar, an aged rice-based vinegar, added a mellow complexity to the soy and sesame dressing.
We recommend using Chinese Chinkiang (or Zhenjiang) black vinegar in this dish for its complex flavor. If you can’t find it, you can substitute 2 teaspoons of rice vinegar and 1 teaspoon of balsamic vinegar. A rasp-style grater makes quick work of turning the garlic into a paste. We like to drizzle the cucumbers with Sichuan Chili Oil when serving them with milder dishes such as grilled fish or chicken.
1. Trim and discard ends from cucumbers. Cut each cucumber crosswise into three equal lengths. Place pieces in large zipper-lock bag and seal bag. Using small skillet or rolling pin, firmly but gently smash cucumbers until flattened and split lengthwise into 3 to 4 spears each. Tear spears into rough 1- to 1 1/2-inch pieces and transfer to colander set in large bowl. Toss cucumbers with salt and let stand for at least 15 minutes or up to 30 minutes.
2. While cucumbers sit, whisk vinegar and garlic together in small bowl; let stand for at least 5 minutes or up to 15 minutes.
3. Whisk soy sauce, oil, and sugar into vinegar mixture until sugar has dissolved. Transfer cucumbers to medium bowl and discard any extracted liquid. Add dressing and sesame seeds to cucumbers and toss to combine. Serve immediately.
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