Step 1

Slice the cucumbers into 1/4-inch pieces, transfer to a bowl.

Step 2

Add the peanuts.

Step 3

In a small bowl, whisk together the vinegar, sesame oil, soy sauce, garlic, and sugar.

Step 4

Add the dressing to the cucumbers and peanuts and toss to combine. Top with crushed red pepper flakes to taste and serve.