slice the cucumbers thinly in a medium sized bowl. Now add 1/2 teaspoon salt and 1/2 teaspoon sugar. In another smaller bowl add vinegar, garlic, chile flakes, and sesame seeds. Toss the smaller bowl over cucumbers. Slice the green onions, including the tender green parts, and sprinkle them over the top. Cover and refrigerate for at least 1-2 hours.
4 green onions
red chile flakes