Steps
1. In a large bowl, combine the diced cucumber, cooked quinoa, cherry tomatoes, avocado, and chopped parsley.
2. In a small bowl, whisk together the olive oil, lemon juice, salt, and pepper to create the vinaigrette.
3. Pour the vinaigrette over the salad mixture and toss gently to combine.
4. Let the salad sit for about 5 minutes to allow the flavors to meld.
5. Serve chilled or at room temperature.