1 Peel The Cucumbers. Cut Them Into Quarters, Lengthwise. (If The Seeds Are Bitter, Scrape Out The Seeds And Discard.) Cut The Cucumbers Again, Crosswise, Into 1/2-Inch Thick Pieces. 2 Place Cucumbers Into A Serving Bowl. Sprinkle With Salt. Toss With Sesame Oil, Seasoned Rice Vinegar, And Chili Flakes.