Steps
1. Cook the quinoa according to package instructions, then let it cool completely.
2. In a mixing bowl, combine the diced tomato, cooled quinoa, finely diced red onion, and crunchy corn kernels.
3. Add the fresh lime juice, chopped cilantro, salt, and black pepper.
4. Gently toss all ingredients together to evenly distribute the flavors.
5. Drizzle with olive oil if desired for extra richness.
6. Chill in the refrigerator for at least 15 minutes to allow the flavors to meld.
7. Serve cold as a zesty appetizer.