Boil chicken in large pot adding 1/2 Tsp each salt and pepper

Remove chicken when fully cooked (about 10-12 min)

Boil spaghetti in remaining broth. Drain and discard water, do not rinse pasta

Melt butter, in same pot. Sauté onion and bell pepper

Put every thing back in the pot, one at a time and stir in between

Add cheese and stir together, add salt and pepper to taste

Heat until cheese is fully melted and combined