Slice the tops off the bell peppers and remove the seeds and membranes. Place them upright in a baking dish.
In a large skillet, heat the olive oil over medium heat. Add the cubed chicken and season with salt, pepper, chili powder, cumin, and paprika. Cook for about 5-7 minutes until the chicken is browned and cooked through.
Add the sliced onion and mixed bell peppers to the skillet, sautéing for an additional 5 minutes until the vegetables are tender. Stir in the minced garlic and cook for another minute.
Stir in the corn and black beans until well combined and heated through.
Remove the skillet from heat and fill each bell pepper with the chicken mixture. Pack them tightly and top with shredded cheddar cheese.
Cover the baking dish with foil and bake for 25 minutes. Remove the foil and bake for an additional 10 minutes, until the cheese is bubbly and golden.
Once done, garnish with fresh cilantro and serve with lime wedges on the side for added freshness.
Notes
Feel free to customize the toppings or add more vegetables.