Preheat oven to 425.
Bring quinoa and water to a boil in sauce pan. Reduce to simmer and cover. Cook for about 15 minutes until water is absorbed. Set aside when finished cooking.
While quinoa is cooking, wash produce. Slice bell peppers in half and seed.
Place on a baking dish open side up and bake for 20-25 mins until softened and moisture has pooled on the inside.
Add ground meat to preheated skillet and cook until almost browned.
Dice onion and add to meat. Cook until fully browned and onion is sautéed.
Turn burner to low. Drain corn and black beans. Rinse beans if desired.
Put corn, beans, diced tomatoes, green chiles, and cooked quinoa in skillet with meat and onion.
Add spices. Mix together until well combined. Turn off burner.
Remove bell peppers from oven when timer is up and leave oven on.
Fill bell peppers with approx. 1/2 cup of meat mixture.
Sprinkle shredded cheese evenly on top of each bell pepper.
Place back inside oven and bake for another 5 minutes or until cheese is melted and bubbly.
Remove from oven and let cool 5-10 minutes. Serve and enjoy!