Steps
1. In a large bowl, combine the cooked quinoa, diced avocado, and fresh spinach leaves.
2. Add the halved cherry tomatoes to the bowl.
3. In a small bowl, whisk together the olive oil, lemon juice, salt, and pepper to create the dressing.
4. Pour the dressing over the salad and gently toss to combine all ingredients.
5. If using, sprinkle feta cheese on top before serving.