In a medium saucepan, combine the quinoa and vegetable broth. Bring to a boil, then reduce heat and simmer for about 15 minutes, or until the quinoa is cooked and the liquid is absorbed.
In a large mixing bowl, combine the cooked quinoa, black beans, corn, salsa, chili powder, and cumin. Mix well.
Transfer the mixture to a greased baking dish. Top with shredded cheese.
Bake in the preheated oven for 20 minutes, or until the cheese is melted and bubbly.
Let cool for a few minutes before serving. Enjoy!
Notes:
This casserole can be made ahead of time and stored in the refrigerator for up to 3 days. Reheat in the oven before serving.