Ingredients

• 1/2 cup vinegar
• 2 tablespoons fish sauce
• 1 teaspoon sesame oil
• 1 tablespoon sugar
• 1 teaspoon salt
• 1 Thai chili pepper, minced
• 1/2 teaspoon peppercorns, freshly cracked
• 2 large cucumbers, washed and sliced thinly
• 1 small red onion, peeled and sliced thinly