Step 1: Prepare the cucumbers. If using a large English cucumber, chop it into bite-sized pieces. If using mini cucumbers, you can slice them into rounds or half-moons.
Step 2: Thinly slice the red onion. For a milder flavor, you can soak the sliced onion in cold water for 5-10 minutes, then drain thoroughly.
Step 3: In a large salad bowl, combine the chopped cucumber and sliced red onion.
Step 4: Crumble the feta cheese over the vegetables in the bowl.
Step 5: In a small separate bowl, whisk together the olive oil, red wine vinegar, and dried oregano. Season with a pinch of salt and pepper.
Step 6: Pour the dressing over the salad ingredients in the large bowl and toss gently to combine, ensuring all components are lightly coated.
Step 7: Taste the salad and adjust the seasoning with additional salt and pepper if needed, based on your preference.
Step 8: Serve the Cucumber Feta Salad immediately for the best crispness, or refrigerate for 15-30 minutes to allow the flavors to meld before serving.