This quinoa salad recipe is a healthy and filling lunch option. To make this recipe, you will need quinoa, cherry tomatoes, cucumber, red onion, feta cheese, and a lemon vinaigrette. Cook the quinoa according to the package instructions and let it cool. Chop the vegetables and mix them with the quinoa. Add crumbled feta cheese and the lemon vinaigrette. Toss to combine. Serve cold as a refreshing and nutritious lunch.