In a separate bowl, whisk olive oil, lemon or lime juice,1 teaspoon salt, and red pepper flakes together.
Combine quinoa, tomatoes, black beans, and green onions together in a bowl. Pour dressing over quinoa mixture; toss to coat. Stir in cilantro; season with salt and black pepper. Serve immediately or chill in refrigerator.
Recipe by Surviving The Stores™ at https://www.survivingthestores.com/easy-quinoa-salad.html