Step 1

Place the cucumber slices and chopped scallions in a medium or large mixing bowl and set aside.

Step 2

In a small bowl, mix vinegar, soy sauce and garlic. Stir in sugar and salt and keep stirring until the sugar has dissolved.

Step 3

Pour the sauce over the cucumber slices and scallions and toss.

Step 4

Sprinkle chili pepper flakes and sesame seeds and toss until the cucumber slices are evenly coated. Serve.