01 -
Wash and slice the cucumbers, halve the tomatoes, and thinly slice the onion.
02 -
In a mixing bowl, whisk together vinegar, olive oil, garlic, salt, and pepper. Add red pepper flakes if using.
03 -
Combine cucumbers, tomatoes, and onions in a large bowl.
04 -
Pour the marinade over the vegetables and toss gently to coat evenly.
05 -
Cover and refrigerate for at least 30 minutes, preferably a few hours or overnight.
06 -
Toss again before serving and garnish with fresh herbs.