At quinoa in a pot with 1 cup water. Bring to a boil then reduce to a low-boil. Cook for 15 minutes or until most of the liquid is absorbed.
Add to a 9 x 13-inch casserole pan the first 6 ingredients, stir to combine. Add salsa, water, and 3/4 cup cheese, stir until all ingredients are combined.
Sprinkle the remaining 3/4 cup cheese on top. Loosely cover with foil and bake for 30 minutes, remove foil and bake an additional 5 minutes.