Authentic Greek Salad

Bahan-bahan (4 porsi)

• 4 medium-sized tomatoes, cut into wedges
• 1 English cucumber (or two small Persian cucumbers), sliced into half moons
• 1 large green bell pepper, cored and thinly sliced
• 1 small red onion, peeled and thinly sliced
• 1 cup kalamata olives
• 3 -4 tablespoons olive oil
• 2 tablespoons red wine vinegar
• 1 teaspoon dried oregano, plus extra for serving
• sea salt
• 5 ounces feta cheese, thickly-sliced if possible