Heat the olive oil in a large skillet over medium-high heat.
Add the onion, bell pepper, garlic, chicken, Italian seasoning, salt, and pepper, and cook for 8-10 minutes, stirring occasionally, until chicken is cooked through.
Add the chicken broth, diced tomatoes, and spaghetti to the skillet, and simmer for 10-15 minutes, stirring occasionally, until the spaghetti is cooked.
Remove from heat and stir in the cheddar cheese. Serve warm.
Interesting Facts
This dish is a great way to use up leftover chicken.
It's a great way to get your kids to eat their vegetables.
You can easily double this recipe to feed a crowd.