1. Wash and dice tomatoes; slice cucumber lengthwise.
2. Separate red onion slices and bell pepper into 1/2-inch pieces.
3. In a bowl, mix olive oil, vinegar, lemon juice/zest, oregano, garlic, salt, and pepper.
4. Arrange tomatoes, cucumber, onion, bell pepper, and olives on a platter.
5. Sprinkle feta over the salad and drizzle the dressing just before serving.
6. Garnish with fresh herbs if using.
Notes
For non-fat-free feta, use vegan cheese. Substitute red wine vinegar with halal-friendly apple cider vinegar. Add grilled chickpeas or lentils for protein. Store leftovers in the refrigerator for up to 2 days.