Prepare the Ingredients: Dice the tomatoes and cucumber, slice the red onion, halve the olives, and roughly chop the basil.
Combine the Vegetables: In a large bowl, mix together the diced tomatoes, cucumber, and sliced red onion.
Add the Feta, Olives, and Herbs: Add the crumbled feta, Kalamata olives, fresh basil, and sprinkle in the dried oregano.
Dress the Salad: Squeeze the lemon juice over everything, adding the zest if desired. Drizzle the olive oil on top.
Gently Toss: Toss the ingredients gently to combine, ensuring each ingredient is well-coated with the dressing.
Season: Finish by adding salt to taste.
Serve and Enjoy: This easy Greek salad is best enjoyed fresh, but you can chill it for a short time if you’d like.