Steps
1. In a mixing bowl, combine the cooked quinoa, cherry tomatoes, cucumber, bell pepper, red onion, and parsley.
2. In a small bowl, whisk together the olive oil, lemon juice, salt, and pepper.
3. Pour the dressing over the salad and toss to combine.
4. Sprinkle feta cheese on top and serve immediately or chill for 30 minutes before serving.