Heat olive oil over medium high heat in large skillet. Season the chicken with salt, pepper and some garlic powder and sauté until cooked, about 10 minutes, then remove onto a plate. Chop into small pieces.
Add extra oil if the skillet if needed. Add onion and garlic, cook for 90 seconds until starting to soften. Add bell pepper and cook for another 2 minutes. Add the canned tomatoes, corn, enchilada sauce and bring to boil and reduce to a simmer for cook down for 15 minutes. Once simmering, add the pasta and chicken and stir to combine.
Sprinkle the top with cheese then broil until golden and bubbly, about 10 minutes. Garnish with cilantro. Serve.
Notes
Feel free to use leftover chicken here, saving you time!