In a large frying pan, sauté onions and peppers in oil until they are soft.
Add in chicken broth and cream soup and stir until combined.
Meanwhile, in a large stockpot, bring water to a boil and cook noodles according to the box. Then, drain the noodles.
Stir in cooked chicken and spaghetti.
Cool mixture completely, put a freezer bag, and freeze flat… OR continue with baking instructions below.
To bake, pour mixture into a greased 9 x 13″ pan.
Top with cheese.
Bake at 350ºF for 20-30 minutes, or until fully heated through.