In a medium mixing bowl, rinse the quinoa a few times. In a medium saucepan, boil 2 cups of salted water. Add the quinoa and continue to boil for about 10 minutes until the quinoa is tender. Drain the quinoa and let it cool.
In a small mixing bowl, make your lemon vinaigrette. Combine the lemon juice, olive oil, salt and pepper.
In a large serving bowl. combine the spinach, tomatoes, cucumbers, raisins and cooled quinoa. Pour in salad dressing and toss to coat.
Season to taste with more salt and pepper, if needed.
